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 girl is riding on a yellow riding lawn mower on a very large yard filled with green grass. when the girl <sep> (A) makes it to the end of the lawn, she stops, takes a deep breath, gets off her horse and walks away. (B) stops, she is standing in front of an able to reach yellow dirt path to prepare her destination. (C) reaches the end of the yard she makes a turn and drives up in the same direction she just came from. (D) reach the end of the yard, she looked around and started to turn around and walk back to the beginning.
Example Output: C

Example Input: A grey african parrot walks up to a coffee mug filled with coffee. He takes a drink, then walks away. he <sep> (A) turns around and begins drinking from a different mug. (B) returns and grabs a second cup. (C) comes back and grabs the mug. (D) stares down at the coffee mug.
Example Output: A

Example Input: [header] How to make oreo cookie balls [title] Place the cookies into a blender or food processor. [step] Don't take the cookies apart. Just place the entire cookie inside the blender/food processor. <sep> (A) [substeps] Make sure that you have coffee grounds or sugar on the side. For maximum, make sure that everything is touching the grinder. (B) Add the milk and water if you don't have a food processor or start the blender on low. [title] Blend for 1 minute, or until the mixture is stiff. (C) If the cookies don't fit in your blender/food processor, then you will need to blend them in batches. [substeps] If you don't have either of those, place the cookies into a plastic, resealable bag. (D) [title] Blend the ingredients on high until well blended. [step] If you don't have a food processor, go to a food processor and blend everything well.
Example Output:
C