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]: A manager explains the players how to play jai-alai while a group of boys observe the training. then <sep> (A) , two teams play polo match with women that talk to the camera. (B) , the girls stand together and play on the field in different manner, while players stand on the sides of the field. (C) , the coach continuously shows the players how to use the position. (D) , the players take turns to hit balls, and the manager shows to hit the ball.
[A]: D


[Q]: [header] How to plant switchgrass [title] Pick a switchgrass variety. [step] If you look for switchgrass at your local nursery you may just find a plant that's labeled " switchgrass, " but there are actually several varieties that differ in color and size. Switchgrass blooms for almost half the year, and during the winter and spring it's usually brown. <sep> (A) [substeps] Magnolia trees produce about 50% of the moisture. Maple trees produce 50% of the moisture per year. (B) Both varieties of switchgrass produce pretty stunning flowers, unique patterns, and flowers. Most also have phlebotomists at the planting areas where it grows. (C) These are factors to keep in mind when you're choosing a variety for your garden. Here are a few types commonly grown in home gardens : [substeps] Northwind: grows four to six feet tall and produces yellow blooms. (D) Pine needles will establish a base that's ready for planting a newer, more established fire from. [substeps] Switchgrass colors for more variety can also be found at a garden center or online.
[A]: C


[Q]: A large group of people are seen swimming around a pool playing a game while the video pauses to show off players. the camera <sep> (A) continues to track the group getting their arm nets dropped on each other's shoulders and one plays a curling game. (B) returns and leads into various people swimming around the pool splashing one another and the camera bouncing around the camera. (C) then cuts to people standing around and swimming with one another. (D) continues to pan around the players swimming all around the pool throwing a ball and others reacting on the sidelines.
[A]:
D