context: It is highly likely that Mary went to the office. It is improbable that Greg is a swan. It is probably the case that Bernhard is a frog. It is likely that if Mary went to the office, or Greg is a swan, then Brian is gray. It is certain that if Greg is a swan, and Mary went to the office, then Lily is green. It is impossible that if Bernhard is a frog, and Greg is a swan, then Sandra left the apple.
hypothesis: It is probably the case that greg is a swan, or Sandra left the apple.
valid_hypothesis: Chances are slight that greg is a swan, or Sandra left the apple.
invalid_hypothesis: It is probably the case that greg is a swan, or Sandra left the apple.
hypothesis_assertion: Greg is a swan, or Sandra left the apple.