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". 

Ex Input:
[header] How to perform hip flexor stretches [title] Do a yoga camel pose. [step] In addition to stretching the hip flexors, the camel pose will open up the chest and increase the flexibility of the spine. The exercise tightens the waist and strengthens the arms and shoulders as well. <sep> (A) Yogis believe that this posture opens up your respiratory system so that you can take in more oxygen with each breath. They also believe that the exercise helps to open the heart chakra to allow you to feel more connected to the world and to bestow forgiveness where needed in your life. (B) Give yourself a break from the chair and let your head and neck rest against the top of your bar. [substeps] If you're feeling a little fatigued or fatigued, wait a few minutes to give your body time to rest. (C) To do a camel pose, lie down on the floor with your back straight and your feet placed on a park bench. Grip the bars with the weights in your hands. (D) Before attempting these poses, they should be done at home : [substeps] Kneel with your knees bent at a 90 degree angle. Put both of your feet together with your toes pointed in towards each other.

Ex Output:
A


Ex Input:
We see a lady and a girl on a raft on a snowy hill. The lady and a man push people down the hill. the people <sep> (A) slide in rafts down the hill. (B) are riding canoes and going on fishing trips. (C) ride down hill on their skateboards and the camera watches them. (D) are then seen skiing down the mountain.

Ex Output:
A


Ex Input:
[header] How to ignore people you no longer wish to be around [title] Stay away from places you know that person will be. [step] The easiest way to ignore a person is to avoid encountering that individual altogether. You can reduce the chances of running into someone by avoiding the places you used to hang out together or where you know that person frequently spends his/her time. <sep> (A) Turn off the radio or cell phone and keep away from your phone. [substeps] By staying away from places or places where you know that person frequently spends his/her time, you are less likely to run into your obviously near this person. (B) [substeps] Find new restaurants, bars, and coffee shops to visit. Look for places slightly outside that individual's immediate neighborhood. (C) [substeps] Do not go anywhere you know the person is likely to be. For example, you may meet the person on a bus instead of the subway if you would rather not be around the place itself. (D) [substeps] For example, if you happen to run into someone in a café, then simply go from there and try not to interact with that person. Your avoidance will allow you to stay invisible even when someone is around.

Ex Output:

B