Assess the data and tweets to estimate whether the closing price of $mrk will escalate or deflate at 2017-01-18. 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
2017-01-03,-1.7,0.4,-1.8,2.2,2.2,-1.2,-0.7,0.5,0.3,0.5,0.8
2017-01-04,0.6,1.1,-0.1,-0.0,-0.0,-1.1,-0.8,0.4,0.4,0.5,0.8
2017-01-05,0.2,0.8,-0.2,-0.0,-0.0,-0.7,-0.9,0.3,0.4,0.4,0.7
2017-01-06,-0.3,0.3,-1.2,0.3,0.3,-0.6,-1.0,-0.2,0.2,0.1,0.4
2017-01-09,-1.3,0.6,-1.7,1.4,1.4,-1.2,-2.1,-1.6,-1.0,-1.2,-1.0
2017-01-10,2.1,2.2,-0.1,-1.9,-1.9,0.6,-0.1,0.0,0.8,0.7,0.9
2017-01-11,1.2,2.5,-1.4,2.9,2.9,-1.7,-2.6,-2.7,-1.9,-2.0,-1.9
2017-01-12,0.5,1.7,-0.1,0.9,0.9,-1.9,-3.0,-3.4,-2.8,-2.8,-2.8
2017-01-13,-0.0,0.5,-0.4,0.2,0.2,-1.4,-2.7,-3.3,-3.0,-2.8,-2.9
2017-01-17,0.7,1.0,-0.5,-1.4,-1.4,0.1,-0.9,-1.8,-1.7,-1.3,-1.5

2017-01-03: top #cns companies all need a better delivery platform. $mrk $pfe $lly $teva $shpg $azn $biib $alxn |meeder asset management inc. has $6,494,000 position in merck &amp; company, inc. $mrk |$mrk:us cg 
2017-01-04: top #cns companies all need a better delivery platform. $mrk $pfe $lly $teva $shpg $azn $biib $alxn |bioasis video interview with the ceo. cash flowing in 2017...what??? $mrk $pfe $lly $teva $shpg $az
2017-01-05: AT_USER so now not only do drug makers have to watch out for politicians wrath but also patent trolls like $amgn &amp; $mrk?|AT_USER AT_USER AT_USER well $mrk got a lawyer as ceo, normal in other indu
2017-01-06: rt AT_USER how will #jpm17 impact equity valuations for the biotech sector this year?  $ibb $gild $agn $mrk $bmy $juno $kite $blc¡­|10 stocks every retiree should own $aapl $t $cl $f $gm $ip $mrk $pfe
2017-01-07: mountain pacific investment advisers inc. id has $392,000 stake in merck &amp; company, inc. $mrk |mountain pacific investment advisers inc. id has $392,000 stake in merck &amp; company, inc. $mrk |rt
2017-01-08: #jpm17 ask papa if the yellow line actual will be lower $ko $pep $twtr  $aapl $vrx $agn $hlf $iep $myl $mrk $jpm¡­ | members alerted to 10-1800% potential. join today  $mrk $wmb $bsx $syf $gg $fitb $g
2017-01-09: $regn lenny was in rare form - wish i could listen to the breakout but i have to catch $mrk next #jpm17|there are illnesses that could bankrupt our society, merck ceo says #donaldtrump $mrk #wlst  |$m
2017-01-10:  &lt; review of this fantastic traders teaching service!! try it for free! $lly $dgx $mrk $nvs $amgn|another tactical victory for $mrk: getting fda review of keytruda-chemo combo for lung cancer. $bmy
2017-01-11: rt AT_USER donald trump talks borders and obamacare at presser  $pfe $mrk $ibm $msft|AT_USER AT_USER i'm left wondering if saunders asked for it. $agn $vrx $myl $mrk $srpt $iep $hlf $jnj $azn $nvs|bri
2017-01-12: $mrk topping tail here at resistance. found it awful hard to find short stuff to feed the bot. don't know if that m¡­ |rt AT_USER $mrk's lead in lung cancer may be unbeatable.  $bmy  #biotech|rt AT_US
2017-01-13: $mrk merck's cautious approach to cancer drugs is paying off  via bloomberg AT_USER|#merck &amp; company, inc. to post fy2021 earnings of $5.71 per share, suntrust banks forecasts. read more:  $mrk|wh
2017-01-14: rt AT_USER interview: veru healthcare ceo dr. mitchell steiner  $jnj $mrk $fhco|$mrk: bullish analyst action by morgan stanley on merck &amp; co:  |como se dice? scope creep? :-) $vrx $agn $pep $myl $
2017-01-15: must read: top trading &amp; investment resources. link:  $mrk $dd $qcp $bud $ugaz $irbt $lb $morl $ewj $rso|who should i write about next? $myl $mrk $twtr $ipxl $ko $pep $hlf $iep $azn $amzn $amgn $g
2017-01-16: $mrk: bullish analyst action by guggenheim on merck &amp; co:  |rt AT_USER did a AT_USER  editor allow his personal agenda/politics to reject my article AT_USER  $twtr $aapl $myl $mrk $ko¡­|merck &amp
2017-01-17: fda track record bodes well for merck keytruda plus chemo: leerink $mrk AT_USER $lly $bmy $azn |rt AT_USER even a $100m series a can't save the medtech venture climate  $jnj $ge $qgen $fms $pfe $rhhbf
Answer:
Fall