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:
A man dressed in yellow and black winter clothes ice fishes on a a frozen lake. The man is reeling in a fish for a long time. the mans catch <sep> (A) more fish and throws them to the side. (B) finally reaches the surface. (C) a fish for dinner by making a wish with his mouth. (D) one and puts it on a fishing pole in the lake.

Ex Output:
B


Ex Input:
[header] How to involve a dog in pet therapy work [title] Consider your dog's temperament. [step] The main requirement for a therapy dog is that they must be incredibly calm, emotionally secure, and comfortable around all types of people. If your dog is nervous, shy, aggressive, or has any other qualities that cause him to behave in standoffish or threatening ways around people, then he would not be a good fit for therapy work. <sep> (A) Decide what you will be doing with your dog before giving it time to develop socialization skills. [substeps] Common characteristics of a therapy dog include a poor attitude, lowered behavior, and aggression. (B) A therapy dog needs to be calm and comfortable when : [substeps] He is approached by or surrounded by many people (children or adults). He is roughly touched or hugged by someone. (C) [substeps] This is especially true if he is a tense, unpredictable, and impolite dog. [title] If your dog is at a loss for words, help him learn some helpful skills. (D) [substeps] Dogs with a history of trauma and anxiety are less likely to engage in therapy. Anxiety, fear, or mistrust issues can cause a good experience for a therapist with a pet.

Ex Output:
B


Ex Input:
[header] How to grout wall tile [title] Put on safety protection. [step] Use rubber gloves, eye protection, and a smock. If you don't put on safety protection, you could potentially hurt yourself. <sep> (A) Step into a small container, coat in petroleum based, brown goo, or other commercial-grade product; and tap the container against a nearby surface to knock out grout. [title] Test grout on a level surface. (B) If your grout doesn't stop there, the tile may accidentally break down. [substeps] Use the wall grout drops to prevent losing adhesion in the shower with the tile. (C) This is especially true for eye protection, as you may get grout in your eyes without it. [substeps] Make sure the room you're working in is properly ventilated. (D) This is because grout can cause serious damage to the walls, and you should keep that in mind as you begin to grout tile tiles. [substeps] Remember that you can grout concrete slabs without any knives, forks, and roller blades.

Ex Output:

C