TASK DEFINITION: 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". 
PROBLEM: [header] How to measure clothing for your cat [title] Measure a calm cat. [step] Catch your cat in a good mood, or a sleepy mood. Wait until your cat is holding still, and take his or her measurements. <sep> (A) Remember to ask beforehand if the cat's body language indicates a calm individual. [substeps] If your cat is growling, meowing, or hissing, this indicates a calm individual. (B) Your cat may jump up to grab the measuring tape or unlike with its usual behaviour. Make sure your cat stays still and seem both calm and alert. (C) If your cat is hyper, play with him for a while and gradually calm him down. For example, let your cat chase a toy for a while, then let him catch the toy. (D) Cat fur is a delicate fabric, and your cat will be easily scratched if you mess up the measurements. [title] Put your cat in a comfortable place.

SOLUTION: C

PROBLEM: A man sits down by the sidewalk playing a guitar. A black man approaches to watch the guitarist perform. a woman <sep> (A) approaches to sing with them and they begin to have a conversation. (B) stands by recording the performer. (C) comes holding a guitar made out of materials. (D) at various functions watches on as the guitarist plays.

SOLUTION: B

PROBLEM: [header] How to make thermite [title] Select your site carefully. [step] Make sure there is nothing that can burn within four meter radius of the reaction. Check that metals with low melting points, such as lead, tin, cadmium, or zinc, aren't near your four meter radius. <sep> (A) [title] Wear a welding mask for complete protection, but wear sunglasses at the very least. [step] In addition to being extremely hot, thermite emits uv radiation that can damage your eyes if not dealt with properly. (B) [substeps] Thermite typically comes in two forms: form and resin. Form builds into resin if it occurs while smoking, coating. (C) Before attempting to make your thermite machine, call and take it out. If the explode in your area doesn't cause huge destruction, put it back in. (D) Metals with high melting points can burn through organic matter called rock, making it toxic. [substeps] Even a mountain that has been fighting gravity might simply burn through it.

SOLUTION:
A