Contemplate the data and tweets to guess whether the closing price of $ko will surge or decline at 2017-09-21. Please declare either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2017-09-07,-0.6,0.1,-0.7,0.7,0.7,-0.8,-1.3,-1.3,-1.2,-1.2,-1.2
2017-09-08,-0.2,0.2,-0.6,0.0,0.0,-0.5,-1.2,-1.3,-1.2,-1.2,-1.2
2017-09-11,-0.4,0.2,-0.6,0.5,0.5,-0.7,-1.4,-1.6,-1.5,-1.6,-1.7
2017-09-12,-0.5,0.1,-0.6,0.4,0.4,-0.8,-1.6,-1.9,-1.9,-1.9,-2.0
2017-09-13,-0.4,0.2,-0.5,0.3,0.3,-0.7,-1.6,-2.0,-2.1,-2.1,-2.2
2017-09-14,0.6,0.8,-0.4,-1.6,-0.8,0.2,-0.5,-1.1,-1.2,-1.2,-1.3
2017-09-15,0.3,0.4,-0.4,0.2,0.2,0.2,-0.5,-1.1,-1.3,-1.3,-1.4
2017-09-18,0.1,0.3,-0.4,-0.2,-0.2,0.3,-0.1,-0.8,-1.1,-1.1,-1.2
2017-09-19,0.3,0.5,-0.2,-0.3,-0.3,0.4,0.2,-0.4,-0.7,-0.8,-0.9
2017-09-20,-0.0,0.8,-0.5,-0.4,-0.4,0.6,0.7,0.2,-0.2,-0.3,-0.4

2017-09-07: how will the need for bottled water in hurricane areas affect stocks of $ko &amp; $pep ?|coca-cola company $the $ko given hold rating at jefferies group llc |stocks w/ discounted p/e multiples vs peer
2017-09-08: AT_USER pepsi and $ko are secular decline. i provided beverages for an event with many millennials. the soda¡­ |70 firms going ex-dividend: get in before the dividend   $apc $hpe $hpq $lrcx $dps $mo $
2017-09-09: brokerages set coca-cola company $the $ko price target at $45.53 |brokerages set coca-cola company $the $ko price target at $45.53 |buffett: the making of an american capitalist:  $spy $pg $ko $pep $d
2017-09-10:  stock millionaire jason bond revealed! $born $kof $ko $cce|10 winners from the ridiculously weaker dollar  $jnj $mmm $pg $mcd $ba $ko $cat $msft $orcl $kmb|in atlanta, i hope my roof &amp; electricit
2017-09-11: big call buyers  $bhp $teva $splk $mgm $oi $mac $intc $arry $wfc $snap $bidu $efx $cbs $qcom $amgn $nke $idti $ko|$ko option order flow sentiment is 94.6% bullish. |all eyes on apple, but these 3 dow 
2017-09-12:   jose canseco talks about jason bond picks! $ed $gd $ko $pep|rt AT_USER $aapl $bac $fb $pfe $mu $t $tsla $snap $twtr $baba $teva $amd $nflx $nvda $amzn $c $ko - today's most active options ht¡­| &lt;
2017-09-13: #buffett: market not in a bubble situation   vista partners #investing #dow30¡­ |shkreli gets maximum security prison! $vrx $mnk $goog $ko $twtr $fold $amzn $ko $pep $jazz $amgn $myl $mrk $crm¡­ |buff
2017-09-14: rt AT_USER first market forecast bullish cluster signal using daily candles on $pep since december. near-term support is one possi¡­|coca-cola company $the $ko given ¡°hold¡± rating at jefferies group
2017-09-15: coca-cola company $the $ko coverage initiated at macquarie |coca-cola company $the $ko coverage initiated at macquarie |no $efx mauldin found! $msft's found! $baba $crm $goog $brk $ibm $snap $jpm $bac
2017-09-16: rt AT_USER all kidding aside, i need a job &amp; fast $aapl $amzn $brk $crm $cmg $ko $dis $twx $vrx $agn $pep $ibm $msft $hlf $jnj $hd $go¡­|$ko "re: battle of the buffet stocks: ibm vs coke" on the m
2017-09-17: $khc cutting back on $cfo, audit fees down after merger, pwc. could be red flags here! gonna need some digging!¡­ |$khc has a pretty complicated 10k for a rookie! $brk $ko $ibm $msft $crm $cmg $snap $
2017-09-18: how big business got brazil hooked on junk food,amazing similar2 big tobacco tactics. $ko $pep nestle eeks shame ! |price returns vs expected daily move $tsla $f $pg $ko $mdlz $nke $gm $aapl $lulu $ua
2017-09-19: AT_USER AT_USER $ko and $pg are also commodities, whats their pe?|evening most tweeted big caps, check out gambiste top 10: $jpm $ko $nvs $bmy $wbk $sny $msft $unh $pep $hd |rt AT_USER coca-cola just 
2017-09-20: evening most tweeted big caps, check out gambiste top 10: $xom $hd $tsm $unh $mdt $celg $cvx $ge $nvs $ko |price returns vs expected daily move $gm $nke $f $tsla $mdlz $ko $pep $khc $uaa $mo $aapl $gi
Answer:
Fall