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 catch lake trout [title] Use a light-action rod with 4 to 6 pound test line. [step] This is the best rod to use for trout fishing and allows you to use a variety of techniques to catch your trout. The lighter line has less friction with the water, allowing you cast your line to the very bottom of the lake with ease. <sep> (A) All you have to do is lightly tap the rod with your finger to get some water onto the rod. [title] Get your hand used to the catch. (B) The slower you cast the rod, the more power your line will have. [substeps] Be aware that certain fishermen only use lighter lines when they plan on doing something else. (C) [substeps] Some lake trout can be over 35 pounds, you will need a heavier rod for these. If you know you're fishing a lake that has massive fish, bring a heavier rod as well. (D) [substeps] Watch out for small rocks in the water if you're unsure how to cast your line. The rocks reflect off of lake trout very easily.
[EX A]: C

[EX Q]: Some texts pops up on the screen. A video of bulls being hurt by people starts playing. text <sep> (A) pops up on the screen again. (B) switches to clips of bulls running away from the camera. (C) shows up of a youtube video. (D) goes onto the screen that say something about feeding bulls and how to lift their horns.
[EX A]: A

[EX Q]: [header] How to recycle a fire extinguisher [title] Examine the canister for the product manufacturer's name. [step] Look on the label of the fire extinguisher for the name of the manufacturer. This is typically located in large red or black letters. <sep> (A) [substeps] If the product name is not clearly visible, someone could have burned the product. [title] Press the red button to open the canister. (B) [substeps] Some common extinguisher brands are amerex, ansul, badger, and kidde. [title] Check the manufacturer's website to see if the extinguisher has a recall. (C) Look in the canister for any warning notes or instructions. [substeps] If the spout is bent back, look at the nozzle for the manufacturer's name. (D) [substeps] Industrial sprayers are those that are made out of concentrated and nonflammable materials, like steel or plastic, and have a distinctive brand name like " propane. " this name is also often accompanied by the manufacturer's name.
[EX A]:
B