story: Lucy's grandpa was napping on the couch. She needed a ride to a friends house. It had been an hour and he was still asleep. Lucy knew she would be in trouble if she woke him up. She decided it would be better to wait than get in trouble.
 selected sentence: Lucy knew she would be in trouble if she woke him up.
He want(s) sleep >Motivates> She knows she will be in trouble if she wakes him up