context: A man is using what looks to be a fax machine.
hypothesis: There is a better than even chance that a sad man is using what looks to be a fax machine.
valid_hypothesis: It is improbable that a sad man is using what looks to be a fax machine.
invalid_hypothesis: There is a better than even chance that a sad man is using what looks to be a fax machine.
hypothesis_assertion: A sad man is using what looks to be a fax machine.