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.
A child is getting ready for his junior athletic league tennis tournament.
You can not infer it's for a tournament.
Hitting a tennis ball off a wall with a tennis racket does not imply that he is getting ready for junior athletic league tennis tournament.
A child may bounce a tennis ball off a wall without preparing for a junior athletic league tennis tournament.