Analyze the information and social media posts to determine if the closing price of $mrk will ascend or descend at 2015-09-15. 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
2015-08-31,2.4,2.7,-0.4,-2.7,-2.7,0.2,3.2,5.2,6.1,6.6,6.7
2015-09-01,0.2,1.3,-0.6,-2.5,-2.5,3.2,4.4,7.2,8.1,8.9,9.0
2015-09-02,0.4,0.5,-1.2,0.9,0.9,1.8,2.3,5.6,6.6,7.5,7.8
2015-09-03,1.2,1.7,-0.1,-0.6,-0.6,1.6,2.1,5.5,6.8,7.8,8.1
2015-09-04,1.0,1.3,-0.8,-2.0,-2.0,2.2,3.4,6.6,8.3,9.4,9.9
2015-09-08,0.6,0.6,-0.9,2.1,2.1,-0.4,1.0,3.5,5.5,6.6,7.4
2015-09-09,2.5,2.7,-0.2,-1.4,-1.4,0.8,2.6,4.1,6.5,7.7,8.6
2015-09-10,-1.3,0.9,-1.6,1.5,1.5,-0.8,0.8,1.6,4.4,5.6,6.6
2015-09-11,0.2,0.7,-0.7,-1.2,-0.3,-0.5,0.7,1.4,4.1,5.5,6.6
2015-09-14,-0.4,0.7,-0.7,0.5,0.5,-0.5,-0.3,0.5,3.0,4.6,5.7

2015-08-31: rt AT_USER with the market on the mend, blue chips with fat dividends look inviting  $ge $jpm $mrk $blk $dd $…|this guy is making millions! watch this video proof here at  .. #stocks $mrk $lgnd|jnk sp
2015-09-02: 578.57% gains for subscribers &amp; we have a massive new penny stock pick coming today! huge update:  #stocks $mrk $lgnd|$unis - million syringe march  $pfe $mrk $dskx $ambs $sny $bdx $cov $biib $bio
2015-09-10: rt AT_USER icymi: merck's keytruda: a remarkable science-to-success story  $mrk #fda #keytruda #rh15 #pharma…
2015-09-12: rt AT_USER auy yamana gold inc. quotes$auy $mu $mrk $hgu.to #auy #tradeideas #invest
2015-09-13: a sleep well, long-term orientated portfolio from the s&amp;p 500  $gild $etn $wmt $xom $mmm $jnj $mrk
2015-09-14: company shares of merck &amp; company, inc. (nyse:mrk) rally 0.97% $mrk 
Answer:
Analyze the information and social media posts to determine if the closing price of $mrk will ascend or descend at 2015-09-15. 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
2015-08-31,2.4,2.7,-0.4,-2.7,-2.7,0.2,3.2,5.2,6.1,6.6,6.7
2015-09-01,0.2,1.3,-0.6,-2.5,-2.5,3.2,4.4,7.2,8.1,8.9,9.0
2015-09-02,0.4,0.5,-1.2,0.9,0.9,1.8,2.3,5.6,6.6,7.5,7.8
2015-09-03,1.2,1.7,-0.1,-0.6,-0.6,1.6,2.1,5.5,6.8,7.8,8.1
2015-09-04,1.0,1.3,-0.8,-2.0,-2.0,2.2,3.4,6.6,8.3,9.4,9.9
2015-09-08,0.6,0.6,-0.9,2.1,2.1,-0.4,1.0,3.5,5.5,6.6,7.4
2015-09-09,2.5,2.7,-0.2,-1.4,-1.4,0.8,2.6,4.1,6.5,7.7,8.6
2015-09-10,-1.3,0.9,-1.6,1.5,1.5,-0.8,0.8,1.6,4.4,5.6,6.6
2015-09-11,0.2,0.7,-0.7,-1.2,-0.3,-0.5,0.7,1.4,4.1,5.5,6.6
2015-09-14,-0.4,0.7,-0.7,0.5,0.5,-0.5,-0.3,0.5,3.0,4.6,5.7

2015-08-31: rt AT_USER with the market on the mend, blue chips with fat dividends look inviting  $ge $jpm $mrk $blk $dd $…|this guy is making millions! watch this video proof here at  .. #stocks $mrk $lgnd|jnk sp
2015-09-02: 578.57% gains for subscribers &amp; we have a massive new penny stock pick coming today! huge update:  #stocks $mrk $lgnd|$unis - million syringe march  $pfe $mrk $dskx $ambs $sny $bdx $cov $biib $bio
2015-09-10: rt AT_USER icymi: merck's keytruda: a remarkable science-to-success story  $mrk #fda #keytruda #rh15 #pharma…
2015-09-12: rt AT_USER auy yamana gold inc. quotes$auy $mu $mrk $hgu.to #auy #tradeideas #invest
2015-09-13: a sleep well, long-term orientated portfolio from the s&amp;p 500  $gild $etn $wmt $xom $mmm $jnj $mrk
2015-09-14: company shares of merck &amp; company, inc. (nyse:mrk) rally 0.97% $mrk 
Answer:+Rise