context: A man sits on the grass trying to get a hole of a fish.
hypothesis: Chances are about even that man tries fishing at a local fishing hole, unsucessfully.
valid_hypothesis: Chances are about even that man tries fishing at a local fishing hole, unsucessfully.
invalid_hypothesis: There is almost no chance that man tries fishing at a local fishing hole, unsucessfully.
hypothesis_assertion: Man tries fishing at a local fishing hole, unsucessfully.