context: It is highly likely that Mary went to the garden. It is likely that Antoine is tired. We believe that Emily is a mouse.
hypothesis: Chances are about even that either Emily is a mouse, or Antoine is tired.
valid_hypothesis: Chances are about even that either Emily is a mouse, or Antoine is tired.
invalid_hypothesis: It is highly unlikely that either Emily is a mouse, or Antoine is tired.
hypothesis_assertion: Either Emily is a mouse, or Antoine is tired.