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 woman in a white shirt sitting on a gray bench in front of a wall with graffiti written on it. Sentence 2: A woman is waiting for a bus

SOLUTION: A woman sits on a gray bench with urban art behind her.

PROBLEM: Sentence 1: A man with a shaved head and a button-up shirt looks into a microscope near a poster about red blood cells. Sentence 2: A scientist studies a vaccine.

SOLUTION: A man without hair near a poster about red blood cells is looking through a microscope.

PROBLEM: Sentence 1: Cute little boy in an army shirt blowing a kiss at a small lizard. Sentence 2: The little boy is fond of the small lizard.

SOLUTION:
There was a kiss blown towards the small lizard by a little boy.