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".

Example Input: A man wearing grey shorts kneels down on a carpeted floor and begins stretching. The man moves his right leg under his hip and in front of his left knee. the man <sep> (A) continues exercising his left leg. (B) is then sitting while he's exercising and putting a harness. (C) then begins looking comfortable about doing this and stretches. (D) begins to rock back and forth in a slow movement as he stretches.
Example Output: D

Example Input: One the window is wet, he takes the razor like stick and drags it up and down getting the water off. after the two top windows <sep> (A) are complete, he leaves the other two untouched and walks away. (B) are clean, he grabs the straightener and begins removing the weeds that are stuck all over the car. (C) , there is a large front garden that has dirt and leaves turning a brown color. (D) he touches the first two windows, the one on top is hand chopped.
Example Output: A

Example Input: [header] How to introduce numbers to kindergartners [title] Teach counting. [step] Teach children to count from one to ten; most can remember the ten numbers fairly easily and learn to recite them, like a song or rhyme. Practice this basic skill at every opportunity. <sep> (A) [substeps] Many children learn best when they are using their sense of touch. Let children touch the items they have been counting. (B) [substeps] Teaching children to count to ten is an excellent way to teach new information to kindergartners, especially adults. You can also practice counting numbers that involve a combination of hand-eye coordination, fourth-finger coordination, and shoehorn coordination. (C) [substeps] Make the rules clear in your classroom. Do not make new rules just to get kids to learn. (D) After 4-6 months of age, children will be proficient enough to really learn the correct numbers. [substeps] Teach young children how to count aloud.
Example Output:
A