context: It is probably not the case that Lily is a rhino. There is little chance that Mary went to the kitchen. It is unlikely that John took the football. It is improbable that if either Lily is a rhino, or Mary went to the kitchen, then Daniel grabbed the apple. We believe that if John took the football, and Lily is a rhino, then Julius is a frog. There is a better than even chance that if Mary went to the kitchen, and John took the football, then Brian is a lion.
hypothesis: It is almost certain that julius is a frog, or Lily is a rhino.
valid_hypothesis: It is probably not the case that julius is a frog, or Lily is a rhino.
invalid_hypothesis: It is almost certain that julius is a frog, or Lily is a rhino.
hypothesis_assertion: Julius is a frog, or Lily is a rhino.