context: We doubt that Lily is a frog. It is probably the case that Sandra grabbed the apple. It is unlikely that Gertrude is a mouse. It is improbable that if Gertrude is a mouse, or Sandra grabbed the apple, then Jeff went to the office. We believe that if Sandra grabbed the apple, and Lily is a frog, then Daniel took the football. It is probably not the case that if Gertrude is a mouse, and Lily is a frog, then Jason is hungry.
hypothesis: It is probable that either Gertrude is a mouse, or Jason is hungry.
valid_hypothesis: It is unlikely that either Gertrude is a mouse, or Jason is hungry.
invalid_hypothesis: It is probable that either Gertrude is a mouse, or Jason is hungry.
hypothesis_assertion: Either Gertrude is a mouse, or Jason is hungry.