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.

Q: Sentence 1: Dog training on the mountain Sentence 2: A dog is taking a class.

A: A dog is on a mountain.
****
Q: Sentence 1: A woman in white shorts is stretching outside in a park. Sentence 2: The woman is getting read to jog in the park.

A: Someone is involved in a stretching regimen in the park.
****
Q: Sentence 1: A man is engulfed in flames while two movie crewmen supervise. Sentence 2: The man is on fire for a movie roll.

A:
A man is on fire.
****