context: Chances are slight that Emily is a cat. It is highly likely that Sandra is in the hallway. It is highly likely that Brian is a frog.
hypothesis: There is a very good chance that either Sandra is in the hallway, or Emily is a cat.
valid_hypothesis: There is a very good chance that either Sandra is in the hallway, or Emily is a cat.
invalid_hypothesis: Chances are slight that either Sandra is in the hallway, or Emily is a cat.
hypothesis_assertion: Either Sandra is in the hallway, or Emily is a cat.