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 avoid common glass tile installation mistakes [title] Ensure color consistency behind glass tile. [substeps] Since glass can be the sole material in an installation, it is essential to choose a bonding mortar that meets its unique demands. In most cases, the color of the thin-set mortar was not an issue when installing opaque ceramic tile. <sep> (A) But with clear and translucent glass, the mortar appears through the tile: if the color varies in the mortar, it will in the glass tile too. To eliminate variations across a glass tile installation, choose a glass tile mortar with a bright white shade that is controlled to a consistent standard color. (B) [title] Find a masonry solution solution as described in this article. [step] Masonry solutions used to be sold in commercial suppliers were expensive and less durable than those containing glazed portions. (C) [title] Check your online repair and installation guide for common glass tile installation recommendations. [substeps] If you cannot find the recommended measurements, consult the manufacturer's website or consult the recommended supplies list. (D) Spray glass tile debris on the glass tile before continuing. Rinse glass tile debris with water and wipe the water away.
answer:
A


question:
[header] How to train chickens [title] Use treats to motivate your chickens. [step] Chickens love food, so treats are good for reinforcing the behavior you're trying to teach them. When training your chickens, give them a treat after they do something right. <sep> (A) While trotting your chicken, offer them treats like carrots. Because you can literally feed them, birds will feel good being shown treats. (B) If you don't have treats at home, you can also play a game of fetch or running around with your chickens until they give you the treat. [title] Hold your chickens while you're training them. (C) If possible, give it after every meal, otherwise the chickens will eat the treats. [substeps] Food treats are also used to reinforce your chickens' behavior. (D) Try to use treats that are different than their regular food. Some easy treats that chickens love are dried mealworms, bird seed, fruits, and vegetables.
answer:
D


question:
[header] How to deal with a boyfriend who wants more space [title] React in a calm way. [step] People often fall into the trap of thinking that time apart is a bad thing in a relationship. While excessive time apart can point to problems, a little bit of space from each other is normal and necessary for a healthy relationship. <sep> (A) Many people fall into the trap and have ended up feeling a silly sense of happiness for long periods of time. [substeps] Let your husband or girlfriend know that you can't be apart for the next month so talking about the situation will help him or her get used to this new change as well. (B) It gives both partners time to do their own thing, and allows you to have more things to talk about. [substeps] Avoid harassing your partner by saying things like " so, you have something better to do than spend time with me? " [title] Clarify the situation. (C) People that force distance to hurt is often the opposite of human nature; therefore, when feeling put off or untreated, space might be necessary. [substeps] Try to have a respectful attitude towards each other and make this time count. (D) For example, you don't need time away from him every day; a single night spent staring into your laptop screen or phone phone screen might be all he needs right now. However, this doesn't mean you should no longer be together, of course.
answer:

B