context: It is likely that John went to the garden. It is highly unlikely that Jessica is a mouse. It is impossible that Julius is a frog. It is impossible that if Jessica is a mouse, or Julius is a frog, then Mary put down the apple. Chances are slight that if John went to the garden, or Jessica is a mouse, then Daniel took the football. There is a better than even chance that if either John went to the garden, or Jessica is a mouse, then Lily is a lion.
hypothesis: It is probably the case that mary put down the apple, and John went to the garden.
valid_hypothesis: It is impossible that mary put down the apple, and John went to the garden.
invalid_hypothesis: It is probably the case that mary put down the apple, and John went to the garden.
hypothesis_assertion: Mary put down the apple, and John went to the garden.