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 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: Two people posing for a picture. Sentence 2: Two people are posing.
Two people are taking pictures with a camera.

Sentence 1: Two men are adamantly performing martial arts in a garden. Sentence 2: Bob and Joe were practicing karate outside.
The ladies went shopping for seeds.

Sentence 1: Two boys play on a toy car. Sentence 2: Two boys sit in a toy car.

Two boys are riding a train at the zoo.