context: There is little chance that John went to the kitchen. It is highly unlikely that Bill moved to the office. Chances are about even that Lily is a lion. It is highly likely that if John went to the kitchen, and Lily is a lion, then Julius is a rhino. It is probable that if John went to the kitchen, and Bill moved to the office, then Mary got the milk. It is almost certain that if Bill moved to the office, and Lily is a lion, then Bernhard is yellow.
hypothesis: There is a very good chance that either Mary got the milk, or Bernhard is yellow.
valid_hypothesis: There is almost no chance that either Mary got the milk, or Bernhard is yellow.
invalid_hypothesis: There is a very good chance that either Mary got the milk, or Bernhard is yellow.
hypothesis_assertion: Either Mary got the milk, or Bernhard is yellow.