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 start a local petition [title] Understand the issues in your community. [step] For a local petition drive, you will need to begin by understanding the important issues in your community. Read your local newspapers. <sep> (A) See if your town has government aid programs dedicated to conforming to local laws or new legislation. [substeps] Find support from local political and cultural organizations by asking other supportive people in your community for help. (B) Attend sessions of your city council or other local legislative body. Find out what people are saying or thinking about your issue. (C) Ask the kids at your school or daycare if they have noticed anyone else doing so. Try to check the elections board for any upcoming election. (D) Check websites like facebook and twitter for a local petition. [substeps] You can also organize the petition by taking several letters from your local newspaper.
[A]: B

[Q]: [header] How to do chest exercises in yoga [title] Do the mountain pose to warm up, plus a couple of humming bee breathing exercises. [step] These will get you ready to stretch out your body in the variety of poses you'll use to exercise your chest. Notice your breathing pattern as complete the mountain pose. <sep> (A) Inhale and keep your breathing slow and even throughout the whole warm up period. [substeps] Alternatively, do a crossfit pose to warm up. (B) [substeps] You might try taking an extended pause to " use " your rib cage, start to breath in, breathe out, and repeat. You can also try practicing your opening pose from a hovering yoga chair, at home, or in a pose at your workplace. (C) Settle on a consistent, slow pattern of breath as you start the workout. This breathing pattern will help calm yourself and prepare your heart rate for the more difficult exercises to come. (D) [substeps] After doing the mountain pose, you can do finger circles or kangaroo standing pose to warm up the muscles in your chest. [title] Do the rock dii to strengthen the core.
[A]: C

[Q]: People surf on sailboards in the ocean, one person falls when demonstrates a turn. Surfers spin the sail holding the handle only with one hand. a sailer <sep> (A) wave in the ocean, ripple in the wind. (B) spins his sail with both hands without falling to the water. (C) sinks in the sea hurling a surfer in the waves, then surfers come on the calm water and surrounding sea. (D) sails in sea behind the sportsman on a multiple sail technique, only with a large sail around both sails.
[A]:
B