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: [header] How to make green beans [title] Bring a pot of water to a boil in a saucepan over medium-high heat. [title] Add salt to the water once it begins to boil. [title] Trim the stems of the green beans and place them into the pot of gently boiling water. <sep> (A) [title] Once the water boils, drop 1-inch (2.5 centimeter) stems of 1 1/2 pounds (2.35 grams) of green beans into the boiling water. [title] Wait until the green beans are ready to be processed. (B) [step] You will need one green bean per cup (260 ml) of boiling water. [title] Add the green beans to the pot. (C) [title] Add ground bell pepper, thyme, and basil to the water for the next step. [step] Stir the green beans in with the salt until everything is evenly combined and the bean pieces are tender to the touch. (D) [title] Leave the green beans in the pot for 4 or 5 minutes, until they are cooked but still crisp. [title] Drain the green beans and cover them in ice water to stop the cooking process.
Example Output: D

Example Input: A girl flips and takes her turn then flips out of the center. A teen does a flip to the other side of the room. one of the teachers <sep> (A) comes and takes their places. (B) takes her turn next. (C) reaches down to help the girl who was standing up. (D) moves to the middle of the floor.
Example Output: D

Example Input: [header] How to calm down an autistic person [title] If the person is verbal, ask them what is bothering them. [step] If it's an advertisement on a television, or a loud noise, take them away from the area (move them somewhere quiet). [substeps] During severe sensory overload, people who are ordinarily verbal may suddenly lose the ability to speak. <sep> (A) If so, they may react violently or become extremely frantic. Try to tell them you can't understand them. (B) This may be due to an initial sensory overload, or because of what is going on in their head. For example, if you hear someone say " oh, no...don't, " try talking a bit louder. (C) Or, their voice may become strained or hoarse. If you suspect a person is nervous or confused, tell them to take a deep breath, hold them there, and focus on their breath. (D) This is due to severe overstimulation, and will pass with relaxation time. If someone has lost the ability to speak, ask only yes/no questions that they can answer with thumbs up/thumbs down.
Example Output:
D