context: We doubt that Brian is a lion. It is highly unlikely that Greg is a frog. There is almost no chance that John took the football.
hypothesis: We doubt that brian is a lion, or John took the football.
valid_hypothesis: We doubt that brian is a lion, or John took the football.
invalid_hypothesis: It is probably the case that brian is a lion, or John took the football.
hypothesis_assertion: Brian is a lion, or John took the football.