Utilize the data and tweets at hand to foresee if the closing price of $pfe will elevate or diminish at 2017-05-19. Only answer with Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-05-05,-0.1,0.0,-0.7,0.1,0.1,0.2,0.6,0.7,0.9,1.2,1.3
2017-05-08,-0.1,0.5,-0.3,-0.1,-0.1,0.1,0.6,0.7,0.9,1.2,1.4
2017-05-09,0.2,0.6,-0.1,-0.2,-0.2,0.2,0.7,0.8,1.0,1.3,1.5
2017-05-10,-0.1,0.3,-0.4,-1.0,-0.1,0.2,0.7,0.8,1.0,1.2,1.5
2017-05-11,-0.2,0.3,-0.6,0.0,0.0,0.1,0.5,0.7,0.9,1.1,1.4
2017-05-12,-0.4,0.2,-0.4,-0.1,-0.1,0.1,0.4,0.8,0.9,1.1,1.4
2017-05-15,-0.5,0.2,-1.0,0.3,0.3,-0.2,-0.0,0.4,0.5,0.7,1.0
2017-05-16,-0.1,0.6,-0.6,-1.6,-1.6,1.1,1.4,1.8,1.9,2.2,2.4
2017-05-17,1.1,1.1,-0.1,-1.1,-1.1,1.8,2.2,2.7,3.0,3.2,3.4
2017-05-18,-0.1,0.6,-0.5,-0.0,-0.0,1.3,2.0,2.5,2.8,3.0,3.3

2017-05-05: pfizer inc. $pfe stake increased by continental advisors llc |will $cop $intc $ete $cat $pru $pfe $dis $hum $epd be the next big #globalbrand ?  $aapl #ces2018 #ai|will $cop $intc $ete $cat $pru $pfe 
2017-05-06: rt AT_USER $ubs:  $2.4 trillion in corporate earnings parked overseas. but only five companies $aapl $msft $pfe $ge $ibm account for 20¡­|pfizer inc. $pfe shares bought by intact investment management
2017-05-07: #options #maxpain chart for $pfe. free options app  |btw, estimated #earnings per share for $pfe is $0.65 it's 1.94% of the current price |pfizer inc. $pfe stake reduced by foresters asset management 
2017-05-08: after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |rt AT_USER  [review] i¡¯ve been a member of jason bond picks for 2 years and made some serious profits! $gp¡­|
2017-05-09: after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |#pfizer's bavencio earns fda nod. read more:  $pfe|$pfe: pfizer and merck kgaa (mkgay) confirm the fda approve
2017-05-10: #options #maxpain chart for $pfe. free options app  |reminder: uspto ipr ruling on $abbv '135 patent (covering humira q2w dosing4 ra) is due any day. $chrs $mnta $amgn $pfe $nvs|rt AT_USER the cancer 
2017-05-11: **alert** $brk $amzn $ibm $orcl $crm $azn $ba $aa $shak $cake $pypl $aig $unh $flxn $ebs $ipxl $endp $teva $pfe $ge¡­ |after bay area buying spree, pfizer now shedding some property  $pfe #medivation 
2017-05-12: rt AT_USER after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |will $cop
2017-05-13: $pfe hints a $bmy deal is on the table |after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |$vdrm $tsla $kerx $pfe $mrk $adxs $bmy $bac $gs $jpm $amd $dcth $ftr $
2017-05-14: favorable press coverage very likely to impact pfizer $pfe share price |favorable press coverage very likely to impact pfizer $pfe share price |favorable press coverage very likely to impact pfizer $p
2017-05-15: after bay area buying spree, pfizer now shedding some property  $pfe #medivation #anacor |$nvax surging after-hours on more insider buys! i believe they will partner or will be acquired $6+/share $pfe
2017-05-16: rt AT_USER on the fly: top stock stories for tuesday $hd $pfe $bmy $agn $twtr $sina $wb $etsy $dks $rad $wba |AT_USER what's happening to $pfe today?|rt AT_USER prediction - xanax and prozac sales go 
2017-05-17: rt AT_USER are charities the best way to pay for costly drugs? AT_USER reports $pfe $jnj  |bristol-myers squibb after 1q17: portfolio prospects  $bmy $jnj $pfe $lly|fda fast-tracks sangamo/#pfizer hem
2017-05-18: rt AT_USER $pfe and others take issue with AT_USER draft biosimilar interchangeability guidance: |rt AT_USER pfizer cuts diabetes, heart and cognitive disease meds from pipeline in q1  #diabetes $pfe 
Answer:
Rise