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 kosher liver [title] Be particular about the liver you buy. [step] The liver should come from a kosher species (cow, calf, or chicken) that was slaughtered in the matter described by the torah. [substeps] The fats of the liver should have been removed during the time of slaughter. <sep> (A) Ideally, you should purchase liver from an animal that was slaughtered no more than 72 hours ago. The koshering process itself should be performed within 72 hours. (B) If the animal is injured or besides getting sick, this meats are extremely likely to be a nutrient rich predator in the long run. It's equally important that they are properly labelled. (C) The pits of the liver are flat so the meat itself remains at all times. The meat also wears down over time, which means a carcass will retain more fat, protein, and fat. (D) Some animals such as cattle or ducks should be juiced in the same manner, for more flavor. Machamps (cow or goat, mixed in fat or marbling) should be roasted in a batserver and let stand 20 minutes before cooking.
[EX A]: A

[EX Q]: 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.
[EX A]: B

[EX Q]: [header] How to decorate with alien cocoons for halloween [title] Create a backdrop for your lair, unless your walls look creepy enough to show through. [step] Lay out a roll of dark paper or fabric large enough to cover your space, and spray paint them to add dimension and give them the color you want. [title] Cut and hang the backdrop. <sep> (A) [step] This is like wallpapering, only not as precise or sturdy. Measure the height of your walls and cut sheets three or four inches longer off your prepared paper or cloth. (B) [step] Use clear, stretchy hanging string and needle-nose pliers to fasten the hanging string where you want it to end. [title] Cover each space in the modular puzzle unit with duct tape. (C) [step] Cut out long pieces of black paper, like cardboard, and glue them to the sides of your domed ceiling to look like planets. [substeps] Alternatively, you can paint the ceiling with white paint and glue it on with a super hot glue gun and laser paint. (D) [step] Tape them in a style of your choosing, and if you want a more realistic look, take the tape off before you secure them with a button or ribbon. [title] Set the scene with a magic halogen light to make your room glow.
[EX A]:
A