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 Input:
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 Output:
C


Ex Input:
A person is windsurfing in the body of water. the person <sep> (A) missed a point as they windsurfing through the water. (B) holds onto a rope attached a to a boat as the boat moves through the water. (C) turns the board and sail around. (D) windsurfs over rocks and trees.

Ex Output:
C


Ex Input:
A close up of booklets are shown with a person flipping them open and reading. The woman marks a name down and peels it off to put on a sock. the woman <sep> (A) then lays an iron over the name and peels off the paper to show how to properly label a gift. (B) then puts the sock on the machine and places pads onto it to give it sharpness. (C) then puts a contact lens in the eye and then another into each eye following with a piercing. (D) then lays a afterward on the table and grabs a second box and tries it and a third box and all the others that are shown are all number.

Ex Output:

A