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 Q]: [header] How to host a housewarming party [title] Make a guest list. [step] You should start keeping a guest list before you start working on the invitation. Be sure you include any friends, family, and coworkers that you would like to invite into your new home. <sep> (A) This will help ensure that the party is pleasant and enjoyable for your guests. Make sure that the guest list is segregated in different places. (B) [title] Decide ahead of time whether you will invite guests with a " weekly " or " annual " package. [step] You should also design and print out your invitations carefully and make sure they reflect how the party will look. (C) [substeps] Limit the guest list to the number of guests appropriate for the amount of space you have available. If you have a small space, consider hosting 2-3 smaller parties rather than one big one. (D) This way, parties are easier to plan without the need for many less specific guests. [substeps] Include guests that you know will be a good fit for your home's atmosphere.
[EX A]: C

[EX Q]: [header] How to make silver nitrate [title] Wear proper protective equipment. [step] The chemicals necessary for this process are highly toxic and can lead to injury if not handled properly. Eye protection, gloves, and a lab coat are necessary to remain safe. <sep> (A) You should also wear long, loose sleeves or long pants to protect yourself from these hazardous chemicals. Be sure you wear good quality work clothes. (B) Long pants and closed-toe shoes, preferably without mesh, should be worn to protect against floor spills. [substeps] Eye protection should completely cover your eyes and the sides of your eyes to protect from splashes. (C) Your lab coat can protect your skin and prevent pollution while working. Ask your local hazardous waste management company to provide you with an appropriate safety gear. (D) Wear full, protective safety gear as well to get the job done effectively. [title] Choose a location for your lab lab.
[EX A]: B

[EX Q]: . many females, some in blue shirts and some in white shirts , <sep> (A) are dancing in a bar. (B) are dancing along the floor. (C) run around on a field playing a game. (D) stand on stands to cheer in the middle of a gym.
[EX A]:
C