Reflect on the provided data and tweets to anticipate if the closing price of $agn is going to increase or decrease at 2017-04-21. 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
2017-04-06,-0.2,0.7,-0.5,0.2,0.2,-0.0,0.3,-0.2,0.0,0.3,0.7
2017-04-07,-0.5,0.4,-1.0,0.2,0.2,-0.3,0.1,-0.4,-0.2,-0.0,0.4
2017-04-10,-0.3,0.5,-0.4,0.5,0.5,-0.6,-0.4,-0.8,-0.8,-0.6,-0.2
2017-04-11,0.1,0.6,-0.4,-0.4,-0.4,-0.1,-0.0,-0.3,-0.3,-0.2,0.2
2017-04-12,0.5,0.6,-0.6,-0.5,-0.5,0.4,0.4,0.4,0.1,0.3,0.6
2017-04-13,-0.4,0.7,-0.5,0.0,0.0,0.4,0.3,0.4,0.1,0.3,0.5
2017-04-17,0.7,0.8,-0.1,-0.7,-0.7,0.9,0.9,1.1,0.8,0.9,1.1
2017-04-18,0.3,0.9,-0.6,-0.7,-0.7,1.1,1.5,1.7,1.5,1.6,1.7
2017-04-19,-0.6,0.1,-0.9,0.8,0.8,0.1,0.6,0.8,0.7,0.7,0.8
2017-04-20,-0.3,0.4,-0.7,0.7,0.7,-0.6,-0.1,0.0,0.1,-0.0,0.1

2017-04-06: rt AT_USER after iffy phase 2, allergan plows forward with phase 3 botox depression study  $agn|adore both of these rockstars!! $agn + AT_USER = success! |rt AT_USER after iffy phase 2, allergan plows
2017-04-07: rt AT_USER $agn is moving to late-stage clinical trials to test botox for depression despite iffy results:  b¡­|rt AT_USER $agn is moving to late-stage clinical trials to test botox for depression des
2017-04-08: rt AT_USER opening AT_USER medical institute at #amwc2017 in monte carlo #aesthetics #plasticsurgery #regenerativemedicine $agn¡­|AT_USER there was something about related positions. the $vrx, altice,
2017-04-09: rt AT_USER repost: projected weekly ranges, select us stocks (april 10-14): $aapl $agn $amzn $bac $fb $goog $gild $nflx $nvda $tsl¡­|rt AT_USER repost: projected weekly ranges, select us stocks (april
2017-04-10: allergan plc sees unusually high options volume $agn |s&amp;p100 #stocks performance $gd $amgn $msft $nee $rtn $bmy $celg $cat $fdx $jnj $pcln $mdt $dis $agn $intc  more@ |koshinski asset management i
2017-04-11: maybe last chance to see billy joel the piano man too! april 28l $vrx $agn $twtr $ko $pep $twtr $brk $iep $myl |luke bryan in atlanta in june on sale now!!oh man!who wants to go too? i'm crying $twtr 
2017-04-12: rt AT_USER AT_USER agree, $agn likely $prtk suitor at this point.|AT_USER for host at AT_USER ? $vrx $agn $myl $mrk $twtr $aapl $brk $iep $snap $googl $aapl $goog $tsla $ko $pep $tst $ba $fb $pypl $tw
2017-04-13: $agn is in bullish counterattack winning 100.00% in the past. |terrible service? go elsewhere! $ko $pep $iep $vrx $agn $myl $tst $ge $gm $tsla $msft $lnkd $mrk $twtr $aapl $hd¡­ |check it the $ibb out
2017-04-14: rt AT_USER $agn¡¯s opioid ibs drug receives fda warning about pancreatitis deaths, and $vbio¡¯s cannabosides could be alternative |$agn¡¯s opioid ibs drug receives fda warning about pancreatitis death
2017-04-15: no mention in story of obama's policy change impacting political shift in suburbs of atl.shameful or lazy? $brk¡­ |rt AT_USER .AT_USER here it is! why democrats are taking over atlanta suburbs $ko $pe
2017-04-16: allergan plc $agn position raised by american national bank |allergan plc $agn position raised by american national bank |capstone asset management co. reduces stake in allergan plc $agn |capstone ass
2017-04-17: rt AT_USER #mstarminute: we think allergan is well positioned with a strong pipeline of specialty drugs and attractively undervalu¡­|#mstarminute: we think allergan is well positioned with a strong pi
2017-04-18: rt AT_USER #allergan, argentum settle patent dispute over eye drug restasis. read more:  $agn|#allergan, argentum settle patent dispute over eye drug restasis. read more:  $agn|#allergan, argentum set
2017-04-19: want the latest upgrades &amp; downgrades for $hsft $opnt $agn $atec $zagg? checkout marketbeat daily |#allergan argentum reach restasis settlement. read more:  $agn|#allergan, argentum reach restasis
2017-04-20: rt AT_USER seems time to revisit worst case scenarios and action plans! $vrx $agn $myl $mrk $twtr $ko $pep $iep $brk $aapl $fb $tst $h¡­|seems time to revisit worst case scenarios and action plans! $v
Answer:
Fall