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: The athlete in pink top is walking forward. An athlete with barrios tag on her shirt is standing behind the net. the woman <sep> (A) raised the circular metal and she started to swirl around and threw the metal. (B) in green shirt is skating. (C) in pink female stuns the other woman and the start fighting. (D) took a bar and bound the ball to the basket.
Example Output: A

Example Input: [header] How to stretch to improve your flexibility [title] Warm up your muscles. [step] Perform 40 jumping jacks , 25 squats, run on the spot for 5 minutes, and ten press-ups or ten girl press-ups if you are not strong enough. [title] Start with simple stretches to get used to the concept and feeling of stretching. <sep> (A) [step] You can stretch on a ball or in the sky. Avoid attempting to do anything difficult or hard and figure out what you're doing properly. (B) [step] Does it feel to stretch? That is great. Start slow and do thirty chest presses before you reach bench pressing. (C) [step] Stretching is the single best way to exercise comfortably and to elevate your blood circulation. [title] Work your muscles with the backbend workouts. (D) [step] Stand up and stretch your legs into a wide straddle. Reach down until your palms rest on the ground, keeping your legs straight.
Example Output: D

Example Input: [header] How to start an ice cream truck business [title] Outline the costs of the truck. [step] A reliable van or truck large enough for freezers to keep the ice cream cold can cost between $10 , 000-$20 , 000. This will be the biggest upfront cost for the business. <sep> (A) Include any costs in terms of the layout, the seat, the fuel market and gas prices. Also include any equipment that might be needed and the technical materials for the truck. (B) The same is true if the whole truck is too small. [title] Sketch a sketch of business (prices, parking, etc. (C) [substeps] You can try to get the van or truck used to save some money on it, though you should make sure the van or truck will run reliably. You can also look for a van that already has freezers in it to save on outfitting costs. (D) Think about selling in bulk to make in bulk all the benefits available for you. [substeps] That costs include parking, fuel, ice cream, and more.
Example Output:
C