Contemplate the data and tweets to guess whether the closing price of $gd will surge or decline at 2020-07-31. 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
2020-07-17,0.3,0.5,-0.6,0.3,0.3,-2.0,-2.8,-2.3,-1.5,-0.5,0.7
2020-07-20,1.7,2.1,-0.1,-2.3,-2.3,0.7,-0.7,0.1,0.5,1.8,2.7
2020-07-21,-0.8,1.3,-1.0,1.6,1.6,-0.3,-2.1,-1.5,-1.3,0.0,0.7
2020-07-22,-3.0,0.0,-3.2,2.5,2.5,-2.0,-4.0,-3.8,-3.7,-2.5,-2.0
2020-07-23,0.8,1.3,-0.6,-0.3,-0.3,-1.4,-2.8,-3.3,-3.2,-2.3,-1.8
2020-07-24,1.0,2.1,-0.4,-0.6,-0.6,-0.6,-1.7,-2.6,-2.5,-1.9,-1.2
2020-07-27,1.0,1.0,-0.3,-1.4,-1.4,1.2,0.0,-1.2,-0.9,-0.7,0.2
2020-07-28,-0.7,1.4,-1.0,0.4,0.4,0.9,0.0,-1.5,-1.3,-1.2,-0.2
2020-07-29,-1.5,0.1,-3.3,0.6,0.6,-0.0,-0.3,-1.8,-1.9,-1.9,-0.9
2020-07-30,-1.2,0.6,-1.4,-0.4,-0.4,0.1,0.1,-0.9,-1.4,-1.4,-0.7


Answer:
Fall