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: Woman is standing in a room laying on the wall holding socks and putthing them on the feet. The woman put the brown boots on the right shoe and tie the laces. the woman <sep> (A) grabs the other shoe and put it on the left foot and tie the laces. (B) put the bent shoe on top of the head again and bend the other side using green tool. (C) also put the blue jacket on the left shoe and adjust the jacket with the left leg and the right knee. (D) puts the black socks with the green, grey, white laces on the feet.
Example Output: A

Example Input: A little boy is climbing up the stairs of a play gym, he stops once and points at a red tube opening but passes it. He gets to the red tube slide at the top and points to it and then slides down. once <sep> (A) he gets to the bottom, he waits, lifts his legs and slides but doesn't slide. (B) on the ground he walks around for a bit then turns around and points up. (C) on, he slides across it and has a great time sliding down. (D) he reaches the bottom, he comes up and grabs the gear that is underneath him and begins to slide back down.
Example Output: B

Example Input: [header] How to astral project (beginners ) [title] Lie down on a flat surface. [step] A bed, couch, or sofa are good surfaces. If you're comfortable with lying down on the floor, then that's fine too. <sep> (A) If not, rest yourself on the bottom of a broom-board stool or in a chair. Make sure you're in a comfortable position. (B) If you are very uncomfortable standing up, you don't have to. Lie down on the ground, or you can even lie on your side if you feel like being comfortable is what you want to do. (C) If you prefer the sofa, you can use a reading chair as a foundation or just your own pillows. In the chair, put your feet on top of each other, and lean back if that feels more comfortable. (D) [substeps] Make sure you are as comfortable as possible, and wearing comfortable clothes (pajamas are recommended ) [title] Close your eyes and relax. [step] Try to not fall asleep, however.
Example Output:
D