context: A woman is using Frisbees to play with a dog in front of a stadium crowd and a group of baseball players.
hypothesis: It is probably the case that the woman is standing in line to buy a hot dog.
valid_hypothesis: It is impossible that the woman is standing in line to buy a hot dog.
invalid_hypothesis: It is probably the case that the woman is standing in line to buy a hot dog.
hypothesis_assertion: The woman is standing in line to buy a hot dog.