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 man wearing all black sits on a wooden bench and reads, his umbrella is open nearby on the ground. Sentence 2: A man is waiting for a bus
a guy reads by his umbrella

Sentence 1: An authority-figure in a white helmet, wearing a yellow vest, and sitting on a yellow motorcycle. Sentence 2: A police officer sitting on a motorcycle on the road.
A person in a helmet is seated on a motorcycle.

Sentence 1: A man is painting a wall. Sentence 2: It is his house.

The wall needed painting.