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". 

Q: 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.

A: A
****
Q: [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.

A: B
****
Q: [header] How to grow lettuce from an old lettuce stem [title] Cut off the end of the lettuce stalk. [step] Make sure you don't cut the stump too small. About 1-2 inches of leaf should be left. <sep> (A) Pull the cut stalk off and snip off any seeds. [title] Cut off the base portion of the plant at an angle. (B) [title] Place the stem in a small container of water that covers the roots. [step] Use approximately 1/2 inch of water. (C) Be aware that lettuce stems may grow back. [title] Cut the stalk to a width of 4 to 6 inches (10-13 cm). (D) Be sure to keep the stalk as intact as possible when trimming. [title] Cut the stalk to your desired thickness.

A:
B
****
