Assertion list for term "difficult to catch".

Results from Ascent++: 5
fish ReceivesActiondifficult to catch 0.43
bass ReceivesActiondifficult to catch 0.36
walleye ReceivesActiondifficult to catch 0.34
bluegill ReceivesActiondifficult to catch 0.29
mole ReceivesActiondifficult to catch 0.21