Assess the data and tweets to estimate whether the closing price of $cat will escalate or deflate at 2015-07-20. 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
2015-07-06,0.6,1.2,-0.5,-1.5,-1.5,1.4,3.4,3.9,4.2,4.0,4.2
2015-07-07,-1.2,0.2,-2.5,1.0,1.0,0.1,1.9,2.6,3.1,2.9,2.9
2015-07-08,0.9,1.2,-0.6,-2.0,-2.0,1.6,3.3,4.4,4.9,4.9,4.9
2015-07-09,2.1,2.5,-0.3,-0.7,-0.7,1.7,3.2,4.7,5.3,5.4,5.4
2015-07-10,0.6,0.9,-0.3,0.6,0.6,0.6,2.1,3.7,4.3,4.7,4.6
2015-07-13,-0.9,0.5,-1.1,1.8,1.8,-1.1,-0.1,1.5,2.2,2.7,2.7
2015-07-14,-1.1,0.3,-1.1,1.0,1.0,-1.9,-1.2,0.2,1.1,1.6,1.6
2015-07-15,0.5,0.8,-0.5,-0.4,-0.4,-1.1,-0.9,0.3,1.3,1.8,1.9
2015-07-16,1.2,1.3,-0.4,-0.5,0.4,-0.9,-1.3,-0.5,0.7,1.2,1.4
2015-07-17,0.5,0.6,-0.5,-0.7,-0.7,0.3,-0.6,0.0,1.2,1.7,2.1

2015-07-07: oas oasis petroleum inc. message board posts$oas $mcrb $bmrn $cat #oas #nasdaq #pennyst… |abbv abbvie inc. company info$abbv $fxe $cat $hd #abbv #stocks #stockmarket|cat caterpillar, inc. dividend$cat
2015-07-11: gevo gevo inc. e.p.s.$gevo $cat $matl $adsk #gevo #tradeideas #pennystocks
2015-07-12: fcfs first cash financial services, inc. bid$fcfs $spxs $cat $edz #fcfs #tradeideas #tradeideas
2015-07-13: dal delta air lines inc. last trade$dal $vgt $cat $ief #dal #finance #stockmarket|tet.to trilogy energy corp. ex-div date$tet.to $rig $cat $ezu #tet.to #investing #pennystocks
2015-07-15: cat caterpillar, inc. stock message board$cat $ge $csco $len #cat #tradeideas #pennystocks|celg celgene corp. quotes$celg $cat $bgmd $sgy.to #celg #invest #stockmarket|hd home depot, inc. news$hd $cat
2015-07-16: agg ishares barclays aggregate bond fund day high$agg $tpiv $cat $uup #agg #stocks #invest|cat celgene corp. last price$cat $myec $cop $sco #cat #stockmarket #investing|ibb biotech ishares message boa
Answer:
Fall