context: The squirrel sits straight up in the grass.
hypothesis: There is a better than even chance that a squirrel sits in the grass on a rainy day.
valid_hypothesis: It is highly unlikely that a squirrel sits in the grass on a rainy day.
invalid_hypothesis: There is a better than even chance that a squirrel sits in the grass on a rainy day.
hypothesis_assertion: A squirrel sits in the grass on a rainy day.