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 shows how to change a tube in a tire. he <sep> (A) puts a jack under the tube to lift it up. (B) puts a new tire on the tube. (C) takes the old tube out, puts the new one in, then pumps it up. (D) moves dirt covering the tube.
[EX A]: C

[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 person puts a contact lens in his right eye. then <sep> (A) , the person remove his glasses. (B) , the person puts the contact in a woman's eye. (C) , the person puts a contact lens in his left eye. (D) , the person put a blue jewel on their finger finger.
[EX A]:
C