context: Chances are about even that John went to the garden. It is likely that Winona is a wolf. There is almost no chance that Brian is a frog. Chances are slight that if either John went to the garden, or Winona is a wolf, then Emily is a mouse. There is almost no chance that if either John went to the garden, or Brian is a frog, then Mary put down the apple. It is highly likely that if John went to the garden, and Brian is a frog, then Julius is a rhino.
hypothesis: It is probable that john went to the garden, and Emily is a mouse.
valid_hypothesis: There is almost no chance that john went to the garden, and Emily is a mouse.
invalid_hypothesis: It is probable that john went to the garden, and Emily is a mouse.
hypothesis_assertion: John went to the garden, and Emily is a mouse.