context: It is unlikely that Greg is a lion. It is probably not the case that Emily is a sheep. We doubt that Lily is yellow. We believe that if either Lily is yellow, or Greg is a lion, then Julius is a rhino. It is probable that if Emily is a sheep, or Greg is a lion, then Winona is a mouse. It is probable that if Greg is a lion, and Lily is yellow, then John went to the garden.
hypothesis: It is probable that john went to the garden, and Lily is yellow.
valid_hypothesis: There is almost no chance that john went to the garden, and Lily is yellow.
invalid_hypothesis: It is probable that john went to the garden, and Lily is yellow.
hypothesis_assertion: John went to the garden, and Lily is yellow.