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 buy a light kit for photography [title] Make a list of required and/or desired criteria for your light kit. [step] These features include whether you want lights arranged on the floor or ceiling, what kind of photography you will be doing, how many lights you will need, etc. [substeps] Floor studio lights and backgrounds can be transported and arranged on stands or supports. <sep> (A) You may want several different lighting items in one kit. There are many available but most of the light hardware items, like dimmer switches and binders or small set of battery-powered lights, should be picked up at a craft store. (B) Pointed, straight, or one-sided lights can be divided into categories and arranged on tables or on poles. [title] Purchase fixtures that fit the gender and the type of lighting and coloring range that you want to consider. (C) Ceiling lights are more expensive and must be on a rail system for positioning in a rectangular area while background rollers are mounted on the ceiling. Your type of photography can determine how much light you need. (D) Frame sizes can be adjusted to your personal preference depending on the size of your studio. Don't forget to read the product description as well.

Ex Output:
C

Ex Input:
Man is interviewing some people who is watching two women in bikini wrestling, the woman wins and start jumping. two women in bikini <sep> (A) are standing with a dwarf and he is winning the fight while the interviewer is talking to people in the audience. (B) threw down the metal bar and continue wrestling, of course some people are standing in the pool watching them. (C) wrestle second style in the track and field and win and walk to finish the event. (D) are returning to training with trampoline sits on a beach.

Ex Output:
A

Ex Input:
A leaf blower is shown blowing a large pile of leaves across a green lawn in front of residential houses. the leaves <sep> (A) fly up in the air but stick largely together as the the leaf blower wipes the ground clean of brown leaves and starts to form piles on the lawn. (B) blow in several different ways and all different colors on all at the same time. (C) get moved over by a hand driving that continues to blow leaves. (D) turn yellow, and smoke begins to blow from the mouth of the blower.

Ex Output:
A