context: Two men are listening to music through headphones.
hypothesis: It is almost certain that two men listen to Nine Inch Nails through headphones.
valid_hypothesis: It is impossible that two men listen to Nine Inch Nails through headphones.
invalid_hypothesis: It is almost certain that two men listen to Nine Inch Nails through headphones.
hypothesis_assertion: Two men listen to Nine Inch Nails through headphones.