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.
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Question: Sentence 1: Two skiers stand near a snowy mountain. Sentence 2: Tall humans standing

Answer: Some humans standing.


Question: Sentence 1: Three bicyclists riding down a steep course wearing helmets. Sentence 2: the bicyclists are being careful down the steep course.

Answer: The bicyclists are  wearing helmets.


Question: Sentence 1: Older man guiding a young child on a bike. Sentence 2: An older man is teaching his daughter how to ride a bike.

Answer:
A man is helping a child on a bike.