Detailed Instructions: In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the sentence choices from (A) and (B), such that the story sounds fully coherent.
Q: Sentence1: Ralph hates shopping. Sentence2: His mom makes him go. Sentence3: They are there for a long time. Sentence4: Ralph helps his mom load and unload the groceries. 
 (A) Ralph's mom punishes him for refusing to help. (B) He is surprised when his mom gives him money for helping.
A:
B