context: There is little chance that Lily is a rhino. It is highly unlikely that Mary went to the office. It is likely that John got the apple. It is likely that if Lily is a rhino, and John got the apple, then Emily is a sheep. It is probably the case that if either John got the apple, or Mary went to the office, then Brian is a swan. It is improbable that if Lily is a rhino, or Mary went to the office, then Daniel took the milk.
hypothesis: It is probably the case that either Emily is a sheep, or Mary went to the office.
valid_hypothesis: It is improbable that either Emily is a sheep, or Mary went to the office.
invalid_hypothesis: It is probably the case that either Emily is a sheep, or Mary went to the office.
hypothesis_assertion: Either Emily is a sheep, or Mary went to the office.