context: A boy wearing a yellow shirt, khaki pants, and blue and yellow shoes is hitting a tennis ball off a wall with a tennis racket.
hypothesis: It is highly unlikely that a child is getting ready for his junior athletic league tennis tournament.
valid_hypothesis: It is highly unlikely that a child is getting ready for his junior athletic league tennis tournament.
invalid_hypothesis: It is certain that a child is getting ready for his junior athletic league tennis tournament.
hypothesis_assertion: A child is getting ready for his junior athletic league tennis tournament.