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 green boots and a green bag talking on her cellphone as she walks. Sentence 2: A women is walking, while talking to her husband.

SOLUTION: A person is on the phone.

PROBLEM: Sentence 1: A young girl playing is a sprinkler fountain jumps on a yellow concrete spot. Sentence 2: The girl is playing a game in which she neads to stay on the yellow spot.

SOLUTION: A girl is playing in a fountain.,

PROBLEM: Sentence 1: A woman in a black leather jacket raises her arms as she sings into a microphone. Sentence 2: The woman in a black leather jacket hits the high notes.

SOLUTION:
The woman raises her hands as she sings.