Given the data and tweets, could you project whether the closing price of $mrk will grow or shrink at 2017-05-23? Please specify either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-05-09,1.4,1.5,-0.2,-1.1,-1.1,0.6,-0.3,-0.7,-0.8,-0.7,-0.5
2017-05-10,-1.3,0.0,-1.3,1.0,1.0,-0.3,-1.1,-1.6,-1.7,-1.6,-1.5
2017-05-11,0.5,1.3,-0.2,0.8,0.8,-0.8,-1.6,-2.2,-2.3,-2.3,-2.2
2017-05-12,1.3,1.7,-0.5,-1.3,-1.3,0.4,-0.1,-0.7,-0.9,-1.0,-0.8
2017-05-15,-0.1,0.1,-0.3,-0.1,-0.1,0.4,0.2,-0.4,-0.8,-0.9,-0.8
2017-05-16,-0.5,0.1,-1.0,0.4,0.4,0.1,-0.1,-0.7,-1.1,-1.2,-1.2
2017-05-17,1.3,1.3,-0.2,-1.2,-1.2,1.0,1.1,0.6,0.2,0.0,0.0
2017-05-18,-1.5,1.0,-1.5,1.4,1.4,-0.5,-0.2,-0.7,-1.1,-1.3,-1.3
2017-05-19,0.4,0.4,-0.4,-0.2,-0.2,-0.3,-0.1,-0.4,-0.8,-1.1,-1.2
2017-05-22,-0.5,0.6,-0.7,0.4,0.4,-0.5,-0.5,-0.6,-1.1,-1.4,-1.5

2017-05-09: rt AT_USER trump-care asks americans to kneel before political monarchy $mo $rai $pm $via $twx $unh $aet $antm $bmy $mrk $ilmn |AT_USER 1 yr ample time for $scyx to revamp it's website, add/publish mo
2017-05-10: #options #maxpain chart for $mrk. free options app  |rt AT_USER pressure mounts on bms, az as merck bags keytruda chemo combo approval  $mrk $bmy $azn #pharma by¡­|rt AT_USER $mrk up 3.4%, $bmy down 2
2017-05-11: rt AT_USER bmo $mrk keytruda 1l-lung approved, solid label, we expect strong uptake; raising target pt 74|why #merck's keytruda just became a lung cancer game changer. read more:  $mrk|#merck stock ri
2017-05-12: merck &amp; co., inc. $mrk director sells $317,700.00 in stock |rt AT_USER  teaches #howtoperfect your #socialmedia #presence with #datascience $mrk $cmcsa $txn $dis $aig¡­| teaches #howtoperfect your
2017-05-13: $vdrm $tsla $kerx $pfe $mrk $adxs $bmy $bac $gs $jpm $amd $dcth $ftr $foxa $csco $himx $eric $amat $qcom $asna¡­ |rt AT_USER vaccine alliance says 300,000 doses of #merck's ebola shot available for em
2017-05-14: rt AT_USER upcoming fda activities: $wint $nvo $blph $regn $sny $pbyi $mrk $nbix $imdz $arql #daytrading #stocks #trading #fda |did #allergan break company policy accepting $teva shares causing a ~$2b
2017-05-15: rt AT_USER #google #dcvax-l overall survival outpacing chemo everyday.$kite $juno $fgen $exel $bmy #opdivo $mrk #keytruda #asco17 comb¡­|$nvax surging after-hours on more insider buys! i believe they 
2017-05-16: rt AT_USER $nwbo $bmy $mrk high side effects pd1 cis take the brakes off the immune system. but low side effects #dcvax puts the p¡­|rt AT_USER #google #dcvax-l overall survival outpacing chemo everyd
2017-05-17: thin is in though! thinner #allergan $teva investment $tst $agn $myl $mrk $vrx $twtr $gild $brk $ko $pep $tsla¡­ |no worries!  #allergan 100.3mm sh $teva loss is excluded!. $tst $agn $myl $mrk $vrx $t
2017-05-18: pocket pivot scan: $wmt $mrk $shop $kmx $adi $athn $d|$mrk is in ichimoku cloud breakout winning 62.50% in the past. |AT_USER but $mrk has to be high-fiving itself at having played the game this well 
2017-05-19: .AT_USER seeks to bring unlicensed $mrk #ebola vaccine to latest outbreak area |fda oks merck's keytruda for two new uses in bladder cancer; shares ahead 1% after hours  $mrk|AT_USER thanks for rt! #t
2017-05-20: look at all the empty seats! $vrx $agn $twtr $myl $mrk $ko $pep $amzn $brk $iep $googl $goog $crm $hlf $ge $gm¡­ |my life! $vrx $agn $myl $mrk $twtr $aapl $ko $pep $hlf $iep $tst $brk $ge $gm $snap $g
2017-05-21: 3 things in biotech you should learn today: may 21, 2017  $incy $mrk $oncyf|unlocked: premarket trading plan mon may 8 $strp, $arry, $mrk, $coh, $kate, $crsp, $fcsc, $itci, $axsm, $regn, $ino |rt AT_U
2017-05-22: rt AT_USER this could be in the top 50 disruptive technologies this year.  #dcvax $nwbo $juno $kite $blue $agio $celg $gild $bmy $nvs¡­|rt AT_USER key chmp opinions/regulatory filings and ema meetings
Answer:
Rise