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 playing at a slot machine. Sentence 2: A woman is hoping to win the slot machine jackpot.

SOLUTION: A woman is in front of a machine.

PROBLEM: Sentence 1: A guy in the air doing wakeboarding. Sentence 2: A man is wakeboarding on his birthday.

SOLUTION: A man is outdoors.

PROBLEM: Sentence 1: People walking up a snowy hill. Sentence 2: The people are about to go sledding.

SOLUTION:
The people are walking.