Assess the data and tweets to estimate whether the closing price of $pfe will escalate or deflate at 2017-09-20. 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
2017-09-06,-0.1,0.4,-0.2,0.6,0.6,-0.5,-1.2,-1.8,-1.8,-1.8,-2.1
2017-09-07,0.1,0.4,-0.5,0.0,0.0,-0.2,-0.9,-1.6,-1.7,-1.7,-2.0
2017-09-08,-0.4,0.4,-0.9,0.3,0.3,-0.4,-1.0,-1.7,-1.9,-1.9,-2.2
2017-09-11,-0.7,0.1,-1.0,0.6,0.6,-0.8,-1.4,-2.0,-2.4,-2.5,-2.7
2017-09-12,-2.8,1.1,-2.9,3.1,3.1,-2.9,-3.8,-4.5,-5.0,-5.2,-5.3
2017-09-13,0.6,1.1,-0.3,-0.9,-0.9,-1.4,-2.5,-3.3,-3.9,-4.1,-4.3
2017-09-14,-1.9,0.3,-2.0,1.9,1.9,-2.3,-3.7,-4.6,-5.4,-5.7,-5.8
2017-09-15,0.7,1.0,-0.3,-1.0,-1.0,-0.5,-2.2,-3.2,-4.1,-4.4,-4.6
2017-09-18,-0.5,0.0,-1.0,0.5,0.5,-0.4,-2.3,-3.3,-4.2,-4.7,-4.9
2017-09-19,0.6,0.6,-0.3,-0.3,-0.3,-0.1,-1.6,-2.7,-3.5,-4.2,-4.5

2017-09-06: bmo capital reiterated pfizer $pfe at buy. this 5yr dcf implies some upside |here's why spark therapeutics inc. surged 23.5% in august  $once $pfe|price returns vs expected daily move $srpt $zgnx $ins
2017-09-07: this could be driving merck's valuation after 2q17  $mrk $pfe $lly $nvs|rt AT_USER buyers of cancer assets fan the licensing deal market  $celg $pfe $sny |$pfe  showing an excellent breakout setup pat
2017-09-08: price moves vs expected moves $arry $abbv $mdt $agn $vrx $azn $biib $pfe $teva $bmy $gild $celg¡­ |this week's most significant #insider trades: aug 28- oct 01, 2017 $awk $has $hbi $msft $pfe $pm $rtn
2017-09-09: AT_USER AT_USER AT_USER life saving tech developed by $mrk, $pfe, $jnj, $gild, $mon, $agu, and $de r¡­ |ishares core high dividend etf $hdv #dividend history #topmoneyreport #bolsamx AT_USER #etf #ish
2017-09-10: rt AT_USER fda berates pfizer unit for epipen misfires during life threatening emergencies $pfe #emergency  ht¡­|#esmo17: $lly sets stage for cdk 4/6 showdown w/ $pfe, $nvs, but not exactly to its adv
2017-09-11: rt AT_USER AT_USER i already hold positions in $atos  $pfe and $jnj  good looks though|AT_USER i already hold positions in $atos  $pfe and $jnj  good looks though|rt AT_USER mon-wed: morgan stanley 15
2017-09-12: rt AT_USER stocks &amp; gold up, bonds down!  #nasdaq #bloomberg #foxbusiness #nytimes #stockmarket #infowars #¡­|stocks &amp; gold up, bonds down!  #nasdaq #bloomberg #foxbusiness #nytimes #stockmark
2017-09-13: investors buy pfizer, inc. $pfe on weakness |investors buy pfizer, inc. $pfe on weakness |investors buy pfizer, inc. $pfe on weakness |investors buy pfizer, inc. $pfe on weakness |$dcth they have ip a
2017-09-14: AT_USER good old jean-marie messier :) so you think $clls is more likely to become a buyer than getting bough¡­ |traders sell shares of pfizer, inc. $pfe on strength following insider selling |#biotec
2017-09-15: rt AT_USER top 10 active nyse $bac $chk $ge $rad $amd $t $cpe $mu $f $pfe |top 10 active nyse $bac $chk $ge $rad $amd $t $cpe $mu $f $pfe |investors buy shares of pfizer, inc. $pfe on weakness on insi
2017-09-16: 3 #stocks to buy and hold for decades AT_USER $pfe, $cni, $brk.b  |rt AT_USER $pfe has a great technical rating! check out it's strong technical and fundamental points at  #apps #¡­|$pfe has a great t
2017-09-17: new phiii data in hand, pfizer, astellas hustle ahead in bid to expand us market for xtandi  |rt AT_USER top and bottom performing stocks for week #38  $pfe $lly $payx $amd $mu $intc $csco $c ... |top
2017-09-18: we love $pfe. excellent technical rating. check the full report on chartmill  #gaming #ai|AT_USER thanks for follow! #mondaymotivation see vista partners #investingforlife  |5 things for #pharma #mark
2017-09-19: rt AT_USER some stocks are like crock pot recipes ¨c they serve best if they simmer for a good long time. $pfe $cni $brk.b |3 #dividend stocks perfect for retirement $csco $deo $pfe  #investing |$pfe 
Answer:
Rise