context: It is highly unlikely that John went to the hallway. It is impossible that Greg is a frog. It is probable that Mary moved to the garden.
hypothesis: It is probable that either John went to the hallway, or Greg is a frog.
valid_hypothesis: It is highly unlikely that either John went to the hallway, or Greg is a frog.
invalid_hypothesis: It is probable that either John went to the hallway, or Greg is a frog.
hypothesis_assertion: Either John went to the hallway, or Greg is a frog.