context: It is highly unlikely that Mary went to the office. It is improbable that Brian is a lion. There is almost no chance that Greg is gray.
hypothesis: Chances are slight that brian is a lion, or Mary went to the office.
valid_hypothesis: Chances are slight that brian is a lion, or Mary went to the office.
invalid_hypothesis: It is almost certain that brian is a lion, or Mary went to the office.
hypothesis_assertion: Brian is a lion, or Mary went to the office.