context: A man in a gray sweatshirt using a power saw.
hypothesis: There is a very good chance that the guy in the sweatshirt uses the power saw to saw wood for a house
valid_hypothesis: It is unlikely that the guy in the sweatshirt uses the power saw to saw wood for a house
invalid_hypothesis: There is a very good chance that the guy in the sweatshirt uses the power saw to saw wood for a house
hypothesis_assertion: the guy in the sweatshirt uses the power saw to saw wood for a house