context: It is probable that Gertrude is a mouse. We doubt that Mary went to the office. It is highly unlikely that Emily is a cat.
hypothesis: We believe that gertrude is a mouse, or Mary went to the office.
valid_hypothesis: We believe that gertrude is a mouse, or Mary went to the office.
invalid_hypothesis: It is highly unlikely that gertrude is a mouse, or Mary went to the office.
hypothesis_assertion: Gertrude is a mouse, or Mary went to the office.