Analyze the information and social media posts to determine if the closing price of $mrk will ascend or descend at 2015-06-16. Please respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-06-02,0.3,0.4,-0.7,-0.8,-0.8,-0.1,-0.3,-0.5,-0.3,-0.4,-1.1
2015-06-03,0.4,0.8,-0.2,0.2,0.2,0.0,-0.6,-0.6,-0.6,-0.6,-1.1
2015-06-04,0.8,1.2,-0.3,-1.5,-1.5,1.5,0.8,0.9,0.9,0.9,0.5
2015-06-05,0.6,0.7,-0.3,-0.8,-0.8,1.7,1.4,1.7,1.6,1.7,1.4
2015-06-08,0.0,0.5,-0.2,-0.2,-0.2,1.2,1.5,1.7,1.7,1.9,1.7
2015-06-09,0.2,0.8,-0.2,-0.1,-0.1,0.8,1.6,1.6,1.6,1.8,1.8
2015-06-10,-1.1,0.1,-1.2,1.3,1.3,-0.8,0.3,0.2,0.3,0.4,0.5
2015-06-11,0.5,0.8,-0.1,-1.2,-0.4,-0.4,0.6,0.5,0.7,0.8,0.9
2015-06-12,1.6,1.6,-0.1,-1.8,-1.8,1.2,2.0,2.1,2.4,2.5,2.6
2015-06-15,0.8,0.9,-0.2,-1.3,-1.3,2.1,2.8,3.3,3.5,3.6,3.8

2015-06-02: bsx boston scientific corp. quotes$bsx $mrk $brcm $shak #bsx #tradeideas #share|AT_USER $mrk your tweet has been featured on market parse, for iphone. |weekly s&amp;p100 #stocks performance $lly $ebay
2015-06-03: rt AT_USER $cldx cdx-011 glemba (triple neg breast cancer) could be ~$400-500m market in the us per jefferies call $mrk $shpg $rhhby
2015-06-04: our penny stock alerts gained over 3400% for subscribers in 7 months! see our new picks:  #breakout $insy $mrk
2015-06-06: roche on the wrong side for once in shifting analyst forecasts  $ibb $rhhbf $rhhby $vrtx $mrk $nvs $gild $atvbf
2015-06-08: $celg $mrk as suitor|$celg heating up that $mrk rumor has some legs|3,500% gains in 8 months &amp; more stock picks on the way! subscribe here to get them early:  #stocks $mrk $lgnd
2015-06-09: f ford motor co. % change$f $tasr $xom $mrk #f #stocks #share|mrk merck &amp; co., inc. bid size$mrk $fb $mrk $cvx #mrk #share #nasdaq|rt AT_USER hjoe hangover joe's holding corp. bid size$hjoe $bad.t
2015-06-11: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd|our stock alerts gained over 1300% in less than 3 months! see our new picks:  #breakout $insy $m
2015-06-12: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd
2015-06-14: frcn firemans contractors inc. open$frcn $drt.to $emc $mrk #frcn #stocks #nasdaq|$mrk $pfe news: "3% to near-5% yields for top 10 dow dividend june dogs $cat …"   analyze: 
2015-06-15: rt AT_USER warning: top healthcare performers now overvalued  $mrk $ibb $iyh $xlv $xbi $vht $pjp $bbh $fbt $hq…|uup powershares db us dollar index bullish fund bid size$uup $tpac $cur $mrk #uup #inves
Answer:
Analyze the information and social media posts to determine if the closing price of $mrk will ascend or descend at 2015-06-16. Please respond with either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-06-02,0.3,0.4,-0.7,-0.8,-0.8,-0.1,-0.3,-0.5,-0.3,-0.4,-1.1
2015-06-03,0.4,0.8,-0.2,0.2,0.2,0.0,-0.6,-0.6,-0.6,-0.6,-1.1
2015-06-04,0.8,1.2,-0.3,-1.5,-1.5,1.5,0.8,0.9,0.9,0.9,0.5
2015-06-05,0.6,0.7,-0.3,-0.8,-0.8,1.7,1.4,1.7,1.6,1.7,1.4
2015-06-08,0.0,0.5,-0.2,-0.2,-0.2,1.2,1.5,1.7,1.7,1.9,1.7
2015-06-09,0.2,0.8,-0.2,-0.1,-0.1,0.8,1.6,1.6,1.6,1.8,1.8
2015-06-10,-1.1,0.1,-1.2,1.3,1.3,-0.8,0.3,0.2,0.3,0.4,0.5
2015-06-11,0.5,0.8,-0.1,-1.2,-0.4,-0.4,0.6,0.5,0.7,0.8,0.9
2015-06-12,1.6,1.6,-0.1,-1.8,-1.8,1.2,2.0,2.1,2.4,2.5,2.6
2015-06-15,0.8,0.9,-0.2,-1.3,-1.3,2.1,2.8,3.3,3.5,3.6,3.8

2015-06-02: bsx boston scientific corp. quotes$bsx $mrk $brcm $shak #bsx #tradeideas #share|AT_USER $mrk your tweet has been featured on market parse, for iphone. |weekly s&amp;p100 #stocks performance $lly $ebay
2015-06-03: rt AT_USER $cldx cdx-011 glemba (triple neg breast cancer) could be ~$400-500m market in the us per jefferies call $mrk $shpg $rhhby
2015-06-04: our penny stock alerts gained over 3400% for subscribers in 7 months! see our new picks:  #breakout $insy $mrk
2015-06-06: roche on the wrong side for once in shifting analyst forecasts  $ibb $rhhbf $rhhby $vrtx $mrk $nvs $gild $atvbf
2015-06-08: $celg $mrk as suitor|$celg heating up that $mrk rumor has some legs|3,500% gains in 8 months &amp; more stock picks on the way! subscribe here to get them early:  #stocks $mrk $lgnd
2015-06-09: f ford motor co. % change$f $tasr $xom $mrk #f #stocks #share|mrk merck &amp; co., inc. bid size$mrk $fb $mrk $cvx #mrk #share #nasdaq|rt AT_USER hjoe hangover joe's holding corp. bid size$hjoe $bad.t
2015-06-11: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd|our stock alerts gained over 1300% in less than 3 months! see our new picks:  #breakout $insy $m
2015-06-12: $ppch is one of the fastest moving penny stocks this month, so far! special update:  #stocks $mrk $lgnd
2015-06-14: frcn firemans contractors inc. open$frcn $drt.to $emc $mrk #frcn #stocks #nasdaq|$mrk $pfe news: "3% to near-5% yields for top 10 dow dividend june dogs $cat …"   analyze: 
2015-06-15: rt AT_USER warning: top healthcare performers now overvalued  $mrk $ibb $iyh $xlv $xbi $vht $pjp $bbh $fbt $hq…|uup powershares db us dollar index bullish fund bid size$uup $tpac $cur $mrk #uup #inves
Answer:+Rise