Utilize the data and tweets at hand to foresee if the closing price of $cvx will elevate or diminish at 2017-05-15. 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
2017-05-01,0.3,0.8,-0.2,-0.7,-0.7,0.2,-0.3,0.5,1.0,1.1,1.2
2017-05-02,0.7,1.1,-0.3,-0.5,-0.5,0.5,0.2,0.7,1.4,1.6,1.7
2017-05-03,-1.3,0.5,-1.5,1.3,1.3,-0.6,-0.8,-0.7,0.0,0.3,0.3
2017-05-04,1.4,1.5,-0.6,-1.8,-1.8,1.0,1.0,0.9,1.7,2.0,2.1
2017-05-05,-0.8,0.1,-1.0,0.9,0.9,-0.1,0.2,-0.1,0.6,0.9,1.0
2017-05-08,-0.7,0.0,-0.8,0.8,0.8,-0.8,-0.6,-0.9,-0.4,0.1,0.2
2017-05-09,1.4,1.6,-0.2,-1.5,-1.5,0.7,0.7,0.6,0.9,1.5,1.6
2017-05-10,-0.6,0.3,-0.9,1.4,1.4,-0.7,-0.6,-0.6,-0.5,0.1,0.3
2017-05-11,0.8,0.8,-0.5,-0.3,-0.3,-0.1,-0.2,-0.3,-0.4,0.2,0.5
2017-05-12,0.1,0.3,-0.5,-0.2,-0.2,0.1,-0.1,0.0,-0.2,0.3,0.7

2017-05-01: rt AT_USER $bp $xom $cvx $psx  this new seismic technology can help bp find much more oil ¡­ |rt AT_USER $bp $xom $cvx $psx  this new seismic technology can help bp find much more oil ¡­ |$bp $xom $cv
2017-05-02: rt AT_USER $bp $xom $cvx $psx  this new seismic technology can help bp find much more oil ¡­  ¡­|$bp $xom $cvx $psx  this new seismic technology can help bp find much more oil ¡­  ¡­|rt AT_USER chevro
2017-05-03: rt AT_USER the great american dividend machine by bill spetrino:  $etr $ivz $ppl $vz $vtr $cvx $ip|the great american dividend machine by bill spetrino:  $etr $ivz $ppl $vz $vtr $cvx $ip|rt AT_USER pa
2017-05-04: rt AT_USER chevron co. $cvx receives $122.37 average target price from analysts |chevron co. $cvx receives $122.37 average target price from analysts |rt AT_USER $cvx filed form defa14a with the sec. 
2017-05-05: rt AT_USER barrington strategic wealth management group llc acquires 625 shares of chevron co. $cvx |barrington strategic wealth management group llc acquires 625 shares of chevron co. $cvx |the #larg
2017-05-06: rt AT_USER public sector pension investment board decreases stake in chevron co. $cvx |rt AT_USER public sector pension investment board decreases stake in chevron co. $cvx |public sector pension inve
2017-05-07: rt AT_USER hcr wealth advisors takes position in chevron co. $cvx |hcr wealth advisors takes position in chevron co. $cvx |rt AT_USER s&amp;p #dividend aristocrats: which stocks make the list?  $abbv 
2017-05-08: rt AT_USER millionaire trading student  made millions learning to trade from  $veev¡­|millionaire trading student  made millions learning to trade from  $veev $cvx $ilmn|chevron: the new powerhouse $c
2017-05-09: trading indices? check stories for the major constituents of #sp500 $cvx $pg $jpm  |rt AT_USER clinging for life right by 46 $dwt $uwt $xom $uso $gush $drip $xle $cl_f $xop $cvx $xom todays livechat d
2017-05-10: rt AT_USER stock market commentary for thursday, may 11 - $ddd, $cvx, $googl, $xom, $pcln, $w, $syss, $time, $apc, $tsla, $acad ht¡­|stopped out twice and then at nymex close $cl_f drops -_- $dwt $uwt
2017-05-11: rt AT_USER okay oil you can sell off now. $uwt $dwt $uso $gush $drip $xle $cl_f $xop $cvx $xom livechat streamed daytrades |okay oil you can sell off now. $uwt $dwt $uso $gush $drip $xle $cl_f $xop $c
2017-05-12: the #largest companies on #earth #inspire us -  $wmt $xom $cvx $brk-a $aapl $mo $tna $cat #fridayfeeling|the #largest companies on #earth #inspire us -  $wmt $xom $cvx $brk-a $aapl $mo $tna $cat #frid
2017-05-13: rt AT_USER crude flirting with support all week. $uwt $xom $uso $gush $drip $xle $cl_f $xop $cvx $xom live trade chatrom |crude flirting with support all week. $uwt $xom $uso $gush $drip $xle $cl_f $x
2017-05-14: rt AT_USER descending channel. … $cvx  tv_tradingideas|rt AT_USER descending channel. … $cvx |rt AT_USER descending channel. ascending triangle forming for b/o attempt - $cvx chart |descending channel
Answer:
Rise