Reflect on the provided data and tweets to anticipate if the closing price of $ptr is going to increase or decrease at 2015-07-20. 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
2015-07-06,0.3,1.9,-0.2,-1.7,-1.7,1.1,2.5,2.2,2.8,3.5,4.7
2015-07-07,-0.3,0.6,-2.9,-1.8,-1.8,2.4,4.0,3.8,4.3,5.1,6.2
2015-07-08,2.4,2.8,-0.1,-4.8,-4.8,5.7,8.1,8.5,9.0,9.8,10.9
2015-07-09,0.4,0.9,-0.6,2.2,2.2,2.4,4.7,5.8,6.2,7.0,7.9
2015-07-10,0.4,0.6,-1.3,0.7,0.7,0.5,3.0,4.7,5.0,5.8,6.7
2015-07-13,0.6,0.7,-0.0,-0.1,-0.1,-0.2,2.5,4.4,4.7,5.5,6.4
2015-07-14,-0.4,0.5,-0.4,-0.9,-0.9,0.1,2.8,4.9,5.3,6.1,7.0
2015-07-15,0.9,1.1,-0.2,-1.1,-1.1,1.3,3.1,5.3,6.1,6.8,7.7
2015-07-16,-0.3,0.1,-0.8,1.7,1.7,-0.3,0.9,2.8,4.0,4.6,5.5
2015-07-17,0.5,0.5,-0.2,-0.7,-0.7,0.1,0.9,2.8,4.4,5.0,5.8


Answer:
Fall