Reflect on the provided data and tweets to anticipate if the closing price of $mrk is going to increase or decrease at 2017-04-06. 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
2017-03-23,0.1,0.9,-0.1,-0.3,-0.3,0.7,1.3,2.1,2.5,2.5,2.4
2017-03-24,-0.0,0.6,-0.5,-0.2,-0.2,0.7,1.2,2.0,2.5,2.6,2.5
2017-03-27,-0.4,0.3,-0.6,0.0,0.0,0.4,1.0,1.7,2.3,2.5,2.5
2017-03-28,-0.2,0.1,-0.7,0.2,0.2,-0.1,0.6,1.2,1.9,2.1,2.2
2017-03-29,0.0,0.7,-0.3,0.5,0.5,-0.5,-0.0,0.5,1.2,1.6,1.6
2017-03-30,0.1,0.4,-0.2,-0.3,-0.3,-0.1,0.2,0.6,1.4,1.7,1.9
2017-03-31,-0.4,0.1,-0.5,0.1,0.1,-0.2,-0.0,0.3,1.0,1.5,1.7
2017-04-03,-0.1,0.4,-0.4,-0.1,-0.1,0.0,-0.0,0.4,0.9,1.5,1.7
2017-04-04,-0.1,0.2,-0.5,0.3,0.3,-0.2,-0.4,0.0,0.5,1.0,1.3
2017-04-05,0.2,0.9,-0.1,-0.2,-0.2,-0.0,-0.2,0.0,0.5,1.1,1.4

2017-03-23: $mrk merck's #keytruda wins AT_USER nod for treating blood cancer  via AT_USER|fosamax claims come back to haunt merck &amp; co., inc $mrk |the AT_USER oks $mrk merck¡¯s #keytruda for #hodgkin lymphom
2017-03-24:  &lt; review of this fantastic traders teaching service!! try it for free! $lly $dgx $mrk $nvs $amgn|$mrk:gr  merck kgaa : fda approves first treatment for rare form of skin cancer #merck kgaa   #stox
2017-03-25: $pfe, merck kgaa fourth to market with pd-1/l1 inhibitor  $bmy $rhhby $mrk|merck &amp; co., inc. $mrk rating reiterated by bmo capital markets |merck &amp; co., inc. $mrk rating reiterated by bmo capi
2017-03-26:  &lt; review of this fantastic traders teaching service!! try it for free! $lly $dgx $mrk $nvs $amgn|3 tremendously promising diabetes drugs potentially on the way AT_USER #stocks $pfe, $mrk, $sny, $n
2017-03-27: $mrk is in stochastic oversold  winning 60.56% in the past. |#merck's ketruda gets positive chmp opinion for lymphoma. read more:  $mrk|$ flows: selling on strength: among stocks that were up mon, the
2017-03-28: $mrk will novartis see rise in net profit margins in 2017? | members alerted to 10-1800% potential. join today  $mrk $wmb $bsx $syf $gg $fitb $glw|rt AT_USER $mrk: woman claims she suffered injuries f
2017-03-29: s&amp;p100 #stocks trend $gd $msft $cat $fdx $pcln $intc $ups $foxa $mrk $cmcsa $hal $dow $dd $t $emr $usb $all  @ |analyzing eli lilly's 2016 performance and developments  $lly $bmy $mrk $pfe|  milli
2017-03-30: #merck, avillion ink development deal for nanobody psoriasis treatment. read more:  $mrk|s&amp;p100 #stocks trend $gd $msft $cat $fdx $pcln $intc $ups $foxa $mrk $cmcsa $hal $dow $dd $t $emr $usb $all
2017-03-31: rt AT_USER $incy 28 b mcap if epacadostat is able to realize a fraction of this market potential incy shares could have significant ups¡­|rt AT_USER you can bet ido/pd-1 will be a theme at #aacr17 (ne
2017-04-01: rt AT_USER $mrk wants lawsuit in pa state court over shingles vaccine #zostavax moved to federal court  |rt AT_USER $mrk wants lawsuit in pa state court over shingles vaccine #zostavax moved to federa
2017-04-02: 5 deadliest diseases in the u.s. -- and the top drugs potentially #stocks $mrk, $bmy, $alny, $azn, $biib, $mdco |upcoming fda calendar: $mrus $nvs $once $xbit $kpti $nlnk $gsk $mrk $sny $nbix |AT_USER
2017-04-03: AT_USER AT_USER note $mrk 2 yr exclusivity was limited to pivotal trials in adv/met melanoma. nothing circumvented with $bmy deal.|rt AT_USER $bmy makes survival in melanoma combo trial. $mrk, #aacr17
2017-04-04: rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell carcinoma #pdl1 AT_USER AT_USER $pfe $mrk... |rt AT_USER first #fda approved drug for rare skin #cancer called merkel cell 
2017-04-05: rt AT_USER get ready for an explosive run $vdrm the next $owcp $cnbx $usrm $axim $cara $zyne $gwph $pfe $mrk $bmy #tradeideas htt¡­|rt AT_USER pepsi's ceo just had to go there! $vrx $agn $myl $mrk $jn
Answer:
Fall