In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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.

Sentence 1: A couple of people sit outdoors at a table with an umbrella and talk. Sentence 2: A couple people sit under an umbrella at a table.
Two people walk in the park in silence.

Sentence 1: A man with gray hair accepts coins in front of a kiosk that has a multitude of fine colored powders in large bowls on display. Sentence 2: A man has gray hair.
A man has white hair.

Sentence 1: Kids playing softball. Sentence 2: Children playing softball.

Kids are playing football.