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: A man and a child both wearing winter hats are at the pond. Sentence 2: A father and daughter are exploring a pond by their house.

SOLUTION: A man and child stand near a pond.

PROBLEM: Sentence 1: A young thin man with a backpack wearing striped t-shirt and glasses is walking on the street and looking at something on his right. Sentence 2: A young black man with a backpack walks down the street at night.

SOLUTION: A young man with a backpack walks down the street.

PROBLEM: Sentence 1: A guy wearing a white shirt and hat is outside standing only on his one hand, while his legs are up in the air. Sentence 2: The guy is in the middle of a workout at the gym.

SOLUTION:
The guy is standing upside-down.