Contemplate the data and tweets to guess whether the closing price of $unh will surge or decline at 2015-05-20. 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
2015-05-06,0.4,0.9,-0.7,0.1,0.1,-0.3,1.4,2.6,3.1,3.2,3.3
2015-05-07,-1.4,0.3,-1.4,1.1,1.1,-0.8,-0.1,1.1,1.8,2.0,2.2
2015-05-08,0.2,0.8,-0.5,0.8,0.8,-1.1,-1.1,0.1,0.9,1.1,1.3
2015-05-11,0.7,0.9,-0.0,-0.8,-0.8,-0.3,-0.5,0.6,1.5,1.8,2.0
2015-05-12,-0.4,0.4,-0.7,-0.1,-0.1,0.0,-0.6,0.5,1.3,1.8,2.0
2015-05-13,-1.1,0.4,-1.1,1.1,1.1,-0.6,-1.5,-0.7,0.2,0.7,0.8
2015-05-14,-1.1,0.1,-2.0,2.3,2.3,-2.2,-3.1,-2.9,-2.2,-1.6,-1.4
2015-05-15,-0.5,0.0,-0.9,0.7,0.7,-2.3,-3.2,-3.5,-2.8,-2.2,-2.0
2015-05-18,-0.5,0.2,-0.8,0.4,0.4,-1.8,-3.2,-3.7,-3.1,-2.6,-2.4
2015-05-19,-0.6,0.5,-0.7,0.6,0.6,-1.4,-3.2,-4.1,-3.7,-3.2,-2.9

2015-05-08: $xlb stock forum updated friday, may 8, 2015 05:11:21 am $aapl $smn $tvix $unh |dow #stocks trend $jpm $mrk $nke $cat $v $msft $axp $ibm $gs $ge $dis $unh $utx $mcd $cvx $xom $csco $vz $mmm  @ 
2015-05-11: our penny stock newsletter picks gained 1472.4% in 2 months! big news:  $unh $hum $ci
2015-05-14: our stock pick on $thcz is up 700% for our platinum members! huge news:  $unh $hum $ci|notable premarket imbalances: $unh +357k, $tgt -104k, $bac +182k, $baba +42k, $twtr +40k
2015-05-17: hd home depot, inc. quotesclick here -&gt; trending $hd $fv $unh $rfmk #hd #nasdaq #stock|xxia ixia dividendclick here -&gt; trending $xxia $dar $noah $unh #xxia #pennystocks #stock|cpk chesapeake uti
2015-05-18: unh unitedhealth group, inc. message board postsclick here -&gt; trending $unh $cnc $ugaz $fnma #unh #share…|pe parsley energy, inc. newsclick here -&gt; trending $pe $luv $unh $nymx #pe #stockmarket 
Answer:
Contemplate the data and tweets to guess whether the closing price of $unh will surge or decline at 2015-05-20. 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
2015-05-06,0.4,0.9,-0.7,0.1,0.1,-0.3,1.4,2.6,3.1,3.2,3.3
2015-05-07,-1.4,0.3,-1.4,1.1,1.1,-0.8,-0.1,1.1,1.8,2.0,2.2
2015-05-08,0.2,0.8,-0.5,0.8,0.8,-1.1,-1.1,0.1,0.9,1.1,1.3
2015-05-11,0.7,0.9,-0.0,-0.8,-0.8,-0.3,-0.5,0.6,1.5,1.8,2.0
2015-05-12,-0.4,0.4,-0.7,-0.1,-0.1,0.0,-0.6,0.5,1.3,1.8,2.0
2015-05-13,-1.1,0.4,-1.1,1.1,1.1,-0.6,-1.5,-0.7,0.2,0.7,0.8
2015-05-14,-1.1,0.1,-2.0,2.3,2.3,-2.2,-3.1,-2.9,-2.2,-1.6,-1.4
2015-05-15,-0.5,0.0,-0.9,0.7,0.7,-2.3,-3.2,-3.5,-2.8,-2.2,-2.0
2015-05-18,-0.5,0.2,-0.8,0.4,0.4,-1.8,-3.2,-3.7,-3.1,-2.6,-2.4
2015-05-19,-0.6,0.5,-0.7,0.6,0.6,-1.4,-3.2,-4.1,-3.7,-3.2,-2.9

2015-05-08: $xlb stock forum updated friday, may 8, 2015 05:11:21 am $aapl $smn $tvix $unh |dow #stocks trend $jpm $mrk $nke $cat $v $msft $axp $ibm $gs $ge $dis $unh $utx $mcd $cvx $xom $csco $vz $mmm  @ 
2015-05-11: our penny stock newsletter picks gained 1472.4% in 2 months! big news:  $unh $hum $ci
2015-05-14: our stock pick on $thcz is up 700% for our platinum members! huge news:  $unh $hum $ci|notable premarket imbalances: $unh +357k, $tgt -104k, $bac +182k, $baba +42k, $twtr +40k
2015-05-17: hd home depot, inc. quotesclick here -&gt; trending $hd $fv $unh $rfmk #hd #nasdaq #stock|xxia ixia dividendclick here -&gt; trending $xxia $dar $noah $unh #xxia #pennystocks #stock|cpk chesapeake uti
2015-05-18: unh unitedhealth group, inc. message board postsclick here -&gt; trending $unh $cnc $ugaz $fnma #unh #share…|pe parsley energy, inc. newsclick here -&gt; trending $pe $luv $unh $nymx #pe #stockmarket 
Answer:+Rise