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 young boy playing in a swimming pool Sentence 2: The boy is with his family.
The boy is outdoors.

Sentence 1: A toddler is sitting on a wooden horse and smiling. Sentence 2: A little girl is riding on her wooden horse.
A child is playing on their toy.

Sentence 1: A brown dog is running across the grass with a stick in its mouth. Sentence 2: a dog is running with the stick is master threw

a dog is running across the grass with a stick