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.

Sentence 1: A lady in a pink coat, black slacks, and brown shoes is sitting on a bench. Sentence 2: A lady is reading a book on a bench.
A person is sitting on a bench.

Sentence 1: Cyclists are cycling through laps. Sentence 2: Olympic hopefuls train for their next competition.
People ride bikes outside.

Sentence 1: A young boy carries a green bucket on a sandy beach with a cloudy sky overhead. Sentence 2: A boy is building a sand castle.

A boy is visiting the beach.