context: It is unlikely that Mary went to the office. It is almost certain that Lily is gray. It is highly likely that Greg is a rhino. It is probable that if Lily is gray, and Greg is a rhino, then Jessica is a mouse. It is probable that if Mary went to the office, and Greg is a rhino, then Sandra dropped the apple. It is impossible that if Greg is a rhino, and Mary went to the office, then Daniel left the apple.
hypothesis: Chances are slight that daniel left the apple, or Lily is gray.
valid_hypothesis: It is almost certain that daniel left the apple, or Lily is gray.
invalid_hypothesis: Chances are slight that daniel left the apple, or Lily is gray.
hypothesis_assertion: Daniel left the apple, or Lily is gray.