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 neither agree nor 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 guy in a pink shirt riding a bike and listening to music. Sentence 2: a boy riding a bicycle while listening to songs
boy going to park on a bike

Sentence 1: Large white crane is flying low near the water. Sentence 2: The bird is flying
The bird is migrating north

Sentence 1: A man wearing a backpack is climbing a rock. Sentence 2: The man is climbing.

An experienced rock climber is scaling a rock with his equipment on his back.