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 clean rubber boots [title] Wipe away light dirt and grime. [step] If your boots aren't especially dirty, you can usually clean them easily with a damp cloth. To prevent dirtiness from building up on your boots and causing longer cleaning times, do this after each time you use your boots. <sep> (A) Before handling an object or stepping on something wet, make sure you wipe it away on a rag first. Use a mild soap and water to wipe off even the smallest traces of dirt. (B) [substeps] To increase the dirt fighting potential of your damp cloth, mix 1 tsp (5 ml) of dish soap with a gallon (1 l) of water. Douse your rag in this, and wipe down the boots. (C) [title] Grind three pounds (177 g) of dry powder on a coffee grinder. [step] The dry powder will help to transfer dirt and dust to the boots. (D) This will clear little dirt and grime off of your boots, leaving them looking brand new. [substeps] If your boots are already cleaned, you may need to consult a shoe store or partner to inspect them for a better cleaner.
[EX A]: B

[EX Q]: A little boy is climbing up the stairs of a play gym, he stops once and points at a red tube opening but passes it. He gets to the red tube slide at the top and points to it and then slides down. once <sep> (A) he gets to the bottom, he waits, lifts his legs and slides but doesn't slide. (B) on the ground he walks around for a bit then turns around and points up. (C) on, he slides across it and has a great time sliding down. (D) he reaches the bottom, he comes up and grabs the gear that is underneath him and begins to slide back down.
[EX A]: B

[EX Q]: [header] How to make a pom pom without cardboard [title] Take one end of your yarn and tuck it between your second (index) and third (middle) fingers. [title] Loosely wrap your yarn around those two fingers two or three times. [title] When you can do so without your yarn falling off, spread your second and third finger as wide as you can. <sep> (A) [step] Keep them spread for the duration of the project. [title] Wrap your yarn around those two fingers, close to the base of them, as many times as necessary. (B) [title] Cut your felt fabric and unfold it on a flat surface. [title] Cut the fabric into a small, rectangular square shape that is approximately four times as wide as your felt when you aren't using cardboard or cardboard. (C) [title] Lie on one side of the pom pom and wrap one piece around each finger. [title] Place your third and fourth fingers under either index finger. (D) [title] Grab two other ends of the yarn or wrap your top finger around the middle of the needle to hold the yarn in place. [title] Bring each finger up to shoulder height.
[EX A]:
A