Reflect on the provided data and tweets to anticipate if the closing price of $mrk is going to increase or decrease at 2017-03-22. Kindly 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
2017-03-08,0.2,0.5,-0.8,-0.2,-0.2,0.6,0.4,0.0,-0.4,-0.9,-1.8
2017-03-09,0.1,0.2,-0.6,0.1,0.1,0.4,0.3,-0.0,-0.4,-0.8,-1.7
2017-03-10,0.7,0.9,-0.2,-0.4,-0.4,0.5,0.7,0.5,0.1,-0.3,-1.1
2017-03-13,1.7,1.8,-0.2,-2.2,-1.5,1.5,2.0,1.9,1.7,1.3,0.6
2017-03-14,-0.1,0.5,-0.2,0.1,0.1,1.0,1.7,1.7,1.6,1.2,0.7
2017-03-15,-0.5,0.4,-0.7,0.8,0.8,0.0,0.8,0.9,0.8,0.5,0.1
2017-03-16,0.6,1.0,-0.3,-0.8,-0.8,0.5,1.4,1.6,1.5,1.3,1.0
2017-03-17,0.5,1.3,-0.0,-0.4,-0.4,0.5,1.5,1.9,1.9,1.7,1.5
2017-03-20,0.0,0.3,-0.2,0.3,0.3,0.2,0.9,1.4,1.5,1.4,1.1
2017-03-21,0.6,1.1,-0.5,-0.3,-0.3,0.4,0.9,1.6,1.8,1.7,1.4

2017-03-08: $crvs leads the pack in anti-adenosine i/o development $mrk $bmy $azn $nvs $iphyf $juno |rt AT_USER 'AT_USER gives 3 names to buy in health care $xlv $amgn $mrk $hum |rt AT_USER r&amp;d spending may n
2017-03-09: why short sellers are making a massive bet in major pharma  $pfe $mrk $teva $bmy $abbv $lly |what an 8k! $cake $ko $pep $shak $twtr $mcd $aapl $jnj $myl $mrk $iep $brl $hlf $spy $spx $jack $amzn $pypl
2017-03-10: why valeant $vrx $agn $myl $mrk $jnj $snap $twtr $fb $aapl $iep $gild $tst $amgn $ko $pep $tsla $ge $gm $ibm $baba¡­ |rt AT_USER valeant railroading short's bankrupctythesis $vrx $agn $myl $mrk $ko $p
2017-03-11: trending this week: $mrk, $pfe line up big fda decision on blockbuster hopeful, staring down some major competition |#merck &amp; co., inc. given underperform rating at jefferies group llc. read more:
2017-03-12: rt AT_USER valeant refinancing with no dilution $vrx $agn $myl $mrk $iep $ko $pep $aapl $spy $spx $amgn $gild $jnj $bmy $snap $go¡­|rt AT_USER extreme thunder last night! $vrx upside $agn $myl $mrk $j
2017-03-13: rt AT_USER huge upside for valeant! $vrx $agn $myl $mrk $jnj $twtr $iep $hlf $ko $pep $snap $aapl $tsla $msft $shak $pypl $aig $bmy $j¡­|rt AT_USER AT_USER topline data or halt for efficacy prior #asc
2017-03-14: rt AT_USER $mrk: merck receives fda approval for keytruda for the treatment of adult and pediatric patients with refractory... |$mrk fda approves merck keytruda supplemental bla for treatment of patie
2017-03-15: #fda oks $mrk keytruda for #hodgkinlymphoma, a first in #bloodcancer |s&amp;p100 #stocks trend $gd $msft $cat $fdx $pcln $intc $ups $foxa $mrk $cmcsa $hal $dow $dd $t $emr $usb $all  @ |rt AT_USER i q
2017-03-16: #merck &amp; co., inc. sued by numerous plaintiffs over harm caused by its zostavax drug. read more:  $mrk|dow #stocks trend $msft $cat $intc $mrk $dd $ba $csco $aapl $ibm $mcd $jpm $dis $unh $v $hd $
2017-03-17: a new daily low at $63.955 was just reached for $mrk. found with momo realtime stock discovery &amp; alerts.  |merck &amp; co $mrk market alert: 5-week low @ 63.98 |when it rains, it pours for gilead 
2017-03-18:  &lt;&lt; i¡¯ve reviewed the best stock alert services so you don¡¯t have to! $srpt $fb $myl $mrk|rt AT_USER when is allergan going to fix their eps for gaap &amp; not "performance net income per shar
2017-03-19: rt AT_USER competition from $gsk and lawsuits from patients are looming over $mrk's shingles vaccine |competition from $gsk and lawsuits from patients are looming over $mrk's shingles vaccine |$mrk ne
2017-03-20: rt AT_USER $cmxc hot biotech stock to watch right now : cell medx corp.  $ibb $gild $jnj $mrk $nvs $pfe $a¡­|leerink swann reiterates ¡°market perform¡± rating for merck &amp; co., inc. $mrk  #acn|$mr
2017-03-21: rt AT_USER lilly takes a stab at pricing transparency, but is it enough of the right data?  #pharma $lly $mrk $j¡­|rt AT_USER lilly takes a stab at pricing transparency, but is it enough of the right 
Answer:
Fall