Examine the data and tweets to deduce if the closing price of $bch will boost or lower at 2015-08-21. Kindly confirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-08-07,-1.3,0.0,-1.3,1.0,1.0,-1.3,-1.0,0.2,1.3,1.1,1.3
2015-08-10,-0.8,0.6,-1.4,0.7,0.7,-1.3,-1.6,-0.6,0.4,0.4,0.6
2015-08-11,0.8,0.9,-0.3,-2.0,-2.0,0.8,0.2,1.0,2.1,2.4,2.5
2015-08-12,-0.9,0.0,-1.4,0.3,0.3,0.5,-0.2,0.4,1.5,2.1,2.1
2015-08-13,1.3,2.0,-0.5,-2.0,-2.0,2.1,1.6,2.1,3.2,3.9,3.9
2015-08-14,-0.2,0.0,-1.2,0.3,0.3,1.2,1.3,1.5,2.5,3.4,3.4
2015-08-17,0.2,0.4,-0.5,-0.4,-0.4,0.9,1.7,1.8,2.6,3.6,3.7
2015-08-18,-0.8,0.5,-1.4,0.0,0.0,0.5,1.6,1.5,2.2,3.3,3.6
2015-08-19,-0.8,0.7,-1.4,0.1,0.1,-0.0,1.2,1.2,1.8,2.8,3.4
2015-08-20,0.0,0.9,-0.2,-1.1,-1.1,0.9,2.1,2.2,2.6,3.7,4.4


Answer:
Examine the data and tweets to deduce if the closing price of $bch will boost or lower at 2015-08-21. Kindly confirm either Rise or Fall.
Context: date,open,high,low,close,adj-close,inc-5,inc-10,inc-15,inc-20,inc-25,inc-30
2015-08-07,-1.3,0.0,-1.3,1.0,1.0,-1.3,-1.0,0.2,1.3,1.1,1.3
2015-08-10,-0.8,0.6,-1.4,0.7,0.7,-1.3,-1.6,-0.6,0.4,0.4,0.6
2015-08-11,0.8,0.9,-0.3,-2.0,-2.0,0.8,0.2,1.0,2.1,2.4,2.5
2015-08-12,-0.9,0.0,-1.4,0.3,0.3,0.5,-0.2,0.4,1.5,2.1,2.1
2015-08-13,1.3,2.0,-0.5,-2.0,-2.0,2.1,1.6,2.1,3.2,3.9,3.9
2015-08-14,-0.2,0.0,-1.2,0.3,0.3,1.2,1.3,1.5,2.5,3.4,3.4
2015-08-17,0.2,0.4,-0.5,-0.4,-0.4,0.9,1.7,1.8,2.6,3.6,3.7
2015-08-18,-0.8,0.5,-1.4,0.0,0.0,0.5,1.6,1.5,2.2,3.3,3.6
2015-08-19,-0.8,0.7,-1.4,0.1,0.1,-0.0,1.2,1.2,1.8,2.8,3.4
2015-08-20,0.0,0.9,-0.2,-1.1,-1.1,0.9,2.1,2.2,2.6,3.7,4.4


Answer:+Fall