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 small boy grins in a crowd full of people posing with their eyes closed in a sleeping position. Sentence 2: A blonde person grinning

SOLUTION: A small boy is grinning in a crowd.

PROBLEM: Sentence 1: A man sitting in a blue metal chair. Sentence 2: A man is exhausted and sitting down.

SOLUTION: A man is resting in a blue chair.

PROBLEM: Sentence 1: An old woman at a counter. Sentence 2: A small human at a counter.

SOLUTION:
A human at a counter