context: There is little chance that Lily is a frog. It is highly likely that John went to the hallway. It is highly unlikely that Brian is a frog. There is almost no chance that if either John went to the hallway, or Lily is a frog, then Daniel is in the office. Chances are slight that if Brian is a frog, or Lily is a frog, then Greg is yellow. It is probable that if either Lily is a frog, or Brian is a frog, then Sandra got the football.
hypothesis: It is almost certain that daniel is in the office, and Brian is a frog.
valid_hypothesis: It is impossible that daniel is in the office, and Brian is a frog.
invalid_hypothesis: It is almost certain that daniel is in the office, and Brian is a frog.
hypothesis_assertion: Daniel is in the office, and Brian is a frog.