context: It is highly unlikely that Lily is gray. There is little chance that Greg is a lion. It is probable that Mary picked up the apple.
hypothesis: It is probably the case that either Mary picked up the apple, or Lily is gray.
valid_hypothesis: It is probably the case that either Mary picked up the apple, or Lily is gray.
invalid_hypothesis: We doubt that either Mary picked up the apple, or Lily is gray.
hypothesis_assertion: Either Mary picked up the apple, or Lily is gray.