TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.
PROBLEM: Sentence 1: Man and child in hats walk on a dirt trail. Sentence 2: The man and the child enjoy a nature walk on a dirt trail

SOLUTION: There is a man and a child in the outdoors

PROBLEM: Sentence 1: An asian table tennis player is eagerly watching and waiting for his opponent serves the ball. Sentence 2: Two men compete in a ping-pong match.

SOLUTION: A person playing ping pong anticipates the other person's next move.

PROBLEM: Sentence 1: A boy in a green wetsuit takes his turn in a water sprinkler and a group of others wait. Sentence 2: the boy is having fun at the water park

SOLUTION:
a boy takes his turn playing in a water sprinkler