context: A teacher wearing a red and black striped shirt is conducting a class of about 20 playing music.
hypothesis: It is improbable that a music teacher shows a class how to play a complicated song.
valid_hypothesis: It is improbable that a music teacher shows a class how to play a complicated song.
invalid_hypothesis: It is probable that a music teacher shows a class how to play a complicated song.
hypothesis_assertion: A music teacher shows a class how to play a complicated song.