Given the task definition and input, reply with output. In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to arrange the sentences in order to make a story that makes complete sense and is apt for the title. Indicate your answer using the number of the sentences in order, such as '34152'.

Title: Vegetables. Sentence 1: The boy refused to eat vegetables. Sentence 2: His mother rewarded him. Sentence 3: The mother stopped rewarding the boy. Sentence 4: The boy ate his vegetables. Sentence 5: The boy began to expect rewards.
42531