context: It is probably the case that Sandra left the football. It is highly unlikely that Mary went to the garden. It is impossible that Greg is a frog. It is likely that if Sandra left the football, and Mary went to the garden, then Jessica is a wolf. We doubt that if Mary went to the garden, or Greg is a frog, then Lily is yellow. We believe that if Sandra left the football, and Greg is a frog, then Julius is white.
hypothesis: It is highly unlikely that sandra left the football, and Mary went to the garden.
valid_hypothesis: It is highly unlikely that sandra left the football, and Mary went to the garden.
invalid_hypothesis: It is likely that sandra left the football, and Mary went to the garden.
hypothesis_assertion: Sandra left the football, and Mary went to the garden.