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". 

[EX Q]: A man holds a pair of boots while talking and showing dirty parts. then <sep> (A) , he ankle many large tiny cuts of wood on the floor. (B) , the man replaces some parts by cutting the shoes and cleanser. (C) , the man puts paste on the boots, then he puts the shoes on. (D) , the man put a clothe inside the boot and brush the shaft of the boot thoroughly.
[EX A]: D

[EX Q]: A small group of people are seen lifting a large object into the back of a van and close ups of them and a building. The people are seen riding around a large gymnasium on roller blades performing various flips and tricks. the boys <sep> (A) continue skating around and interacting with one another and performing impressive tricks. (B) continue riding around a sports stadium and performing tricks. (C) play the drums while riding around on bouncy chairs that run in a tight group. (D) ride around again in the end with more people watching on the side.
[EX A]: A

[EX Q]: A man is seated at equipment inside a gym. He is using a rowing machine and he talks about it. he <sep> (A) sits on it and pushes back and forth. (B) hits the machine and it starts up while he continues to talk. (C) continues to talk as the screen is black. (D) pushes the machine by pulling on a strap and the machine situates itself.
[EX A]:
A