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:
People are standing in a swimming pool. they <sep> (A) are playing a game of water polo. (B) put on protective caps to ward off the cold. (C) dip a sponge into the water. (D) push themselves through a hole in the water.

Ex Output:
A


Ex Input:
[header] How to make scented rocks [title] Purchase supplies from a local department store or craft store. [step] You will need plain flour, salt, food coloring and essential oils. Essential oils are oils that have been extracted from various plants. <sep> (A) You do not need to use all different oils, but big quantities will work. [substeps] Choose oils that you associate with fresh fruits and vegetables and herbs. (B) It can be easily purchased at craft supply stores or you may be able to find them online. Get an essential oil primer, then make sure your acrylic rock is thoroughly coated. (C) You can also purchase essential oils from craft stores, or you can order a variety of essential oils online. [title] Mix together 1/2 cup (118 ml) of plain flour and 1/2 cup (118 ml) of salt in a mixing bowl. (D) You will need and obtain the following materials : [substeps] A 40 oz mixing bowl large enough to fit the stones. If you do not have these materials to gather, a mixing machine at an arts and crafts store can be more economical than a large ceramic mixing bowl, which will require little or no space.

Ex Output:
C


Ex Input:
The man points to the melons up against the wall and begins trimming them with his sheers throwing them to the side. the man <sep> (A) brings them back to the plate and begins to gesture towards them and looking into their eyes. (B) tries to cover the melons with red spray yellow tape as he runs and our man finish trimming them with his sheers. (C) then flips this one with a sharp ax to become a proper cooking object, the man then moves all the cooked cookies. (D) walks over to the outer edge of the melon plants and picks up a large vine in one hand then trims off leafs with the other hand.

Ex Output:

D