context: It is highly likely that Mary left the football. It is probable that Sandra took the football. It is highly unlikely that John went to the garden.
hypothesis: There is little chance that mary left the football, or John went to the garden.
valid_hypothesis: It is highly likely that mary left the football, or John went to the garden.
invalid_hypothesis: There is little chance that mary left the football, or John went to the garden.
hypothesis_assertion: Mary left the football, or John went to the garden.