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: A man with a shaved head and a button-up shirt looks into a microscope near a poster about red blood cells. Sentence 2: A scientist studies a vaccine.
[A]: A man without hair near a poster about red blood cells is looking through a microscope.


[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: Woman dressed in black waves fan behind display. Sentence 2: A man in black is trying to sell some display fans.
[A]:
A woman in black waves a fan behind a display.