context: Two men in workers' gear and colorful hard hats standing on board what appears to be a large ship, next to some very large machinery.
hypothesis: It is probable that two men are working on machinery on the famed titanic
valid_hypothesis: It is impossible that two men are working on machinery on the famed titanic
invalid_hypothesis: It is probable that two men are working on machinery on the famed titanic
hypothesis_assertion: two men are working on machinery on the famed titanic