context: The hockey players and referee are preparing for a face-off.
hypothesis: It is highly unlikely that the players and referee are getting ready to start the match.
valid_hypothesis: It is highly unlikely that the players and referee are getting ready to start the match.
invalid_hypothesis: There is a better than even chance that the players and referee are getting ready to start the match.
hypothesis_assertion: The players and referee are getting ready to start the match.