instruction:
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".
question:
[header] How to treat your customer while serving them [title] When the customer approaches your till point, greet them nicely. [step] This means you should acknowledge the customer with eye contact. Say " hello " and smile. <sep> (A) [title] Apologise for any wait, no matter how short. [step] The customer might not understand why they have had to wait. (B) [substeps] Also greet them in a professional manner. Always state your name, address, and similar things. (C) Offer him or her a fresh drink once in awhile. [substeps] Remember to shake each customer's hand. (D) If you don't meet their smile they'll get bored and start saying no. To greet the customer again, do a brief " hi " and introduce them to your horde.
answer:
A

question:
[header] How to train chickens to return to their coop [title] Prepare your chicken coop. [step] Before you can train your chickens to return to the coop in the evening, you need to ensure the coop is set up properly for your chickens. A basic chicken coop should provide at least twenty-four square feet of space and multiple places for chickens to perch. <sep> (A) To ensure proper lighting, you will need to buy a coop lamp or turn off the overhead light. You will also need to provide adequate heat. (B) Your chickens will probably also need a hutch, cart, or larder to keep them warm. All three features are important as you start building your chicken coop. (C) [substeps] Coop space should be compatible with how large or small your chickens may be. Don't space your chickens too close to each other. (D) [substeps] Make sure there is a plentiful supply of food and water inside the chicken coop. Wood beams mounted horizontally can provide good perching space for chickens.
answer:
D

question:
[header] How to reuse an old bottle of nail polish [title] Add a few drops of nail polish thinner to the bottle. [step] Put the lid back on firmly. [title] Give the bottle a good shake. <sep> (A) [step] The nail polish thinner will help to release any congealed nail polish, making it usable again. [title] Use as usual, until it's all gone. (B) [step] The residue will likely remain in the spray bottle while you reuse it. Don't shake it so well that it sprays directly into your eyes or your nose. (C) [step] Run the bottle through several minutes of light shaking. It is not necessary to pump the nail polish thinner at this point. (D) [step] You'll hear bubbling as the nail polish is getting dissolved. This indicates the container has begun the process of reusing.
answer:
A