Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 
Input: They have a sand in buckets trying to build sand castles. When they take the bucket up the sand isn't very stable at all. the little boy <sep> (A) comes in and sits on his daddy's lap and the man starts sit his baby wife. (B) goes and kick down all the castle parts that they were creating. (C) talks to the camera, looking at his plate as he tries to build sand castles. (D) is walking and immediately starts putting sand in his bucket and gets up high on his chair.
Output:
B