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: Three women talking and laughing, while 2 hold glasses of wine. Sentence 2: A group at a wine tasting.

SOLUTION: A group enjoying a drink.

PROBLEM: Sentence 1: A young guy is a red shirt performing skateboard trick. Sentence 2: A man does a kickflip on his skateboard.

SOLUTION: A man on a skateboard.

PROBLEM: Sentence 1: A man is skiing down a mountain with another large mountain behind him and a river between the mountains. Sentence 2: A young man skiing down a mountain at night.

SOLUTION:
A man skis down a mountain.