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 young Asian girl is purchasing an item from a vending machine. Sentence 2: A girl is getting a soda from a vending machine.

SOLUTION: A girl is using a vending machine.

PROBLEM: Sentence 1: A woman is stirring the contents of a cooking pot. Sentence 2: A woman is stirring a soup she is cooking.

SOLUTION: A woman is cooking.

PROBLEM: Sentence 1: A boy is attempting to climb an iron fence. Sentence 2: The young boy tries to jump over the fence.

SOLUTION:
A boy is exerting himself physically.