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]: [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.
[A]: B


[Q]: [header] How to remove paint from your shirt [title] Wear gloves and painting clothes. [step] You don't want to stain any more clothing or get your hands dirty. So wear gloves and clothing that you wouldn't mind getting paint on. <sep> (A) Gloves are important for much of the time, because they protect your hands and may help your paint flake off. [substeps] Try to wear disposable gloves when painting your shirt. (B) [title] Remove excess paint as soon as possible. [step] You can use a kitchen utensil like a knife or spoon or a scraper such as a popsicle stick. (C) [substeps] You could also wear safety goggles or goggles with loofahs. [title] Wash your clothes in soapy water before you start painting. (D) [title] Sort it into separate clothing sections so there will be clean space for you to work on. [title] Paint the area where the stain was caused.
[A]: B


[Q]: He is running down the lane and the he jumps 3 times into the sand. He runs out of the pit happily. he <sep> (A) gets up and walks forward returning to the pole and jumping again. (B) throws a disc onto the field and they are all running around celebrating when one woman hits it. (C) begins holding his giant sword. (D) continues to walk around cheering as it cuts to the crowd and announcers.
[A]:
D