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: Yellow banners with a black lion print are hung across some trees in a sun-lit neighborhood. Sentence 2: There are advertisements for the local college hanging in the neighborhood.
There are signs outdoors

Sentence 1: The happy winner of the bicycle race. Sentence 2: The winner is happy because they beat their archenemy in the race.
The winner's vehicle only has two wheels.

Sentence 1: A man is playing the piano barefoot while another man looks on. Sentence 2: A man is entertaining for a crowd.

A man knows how to play piano.