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 treat ingrown eyelids in dogs [title] Look for squinting. [step] Squinting is an easily recognized sign of eye irritation. Your dog may squint if it feels like there's something in the eye that it can't get out. <sep> (A) In this case, the ingrown eyelid is causing the eyelashes to rub directly against the eye. If you can't tell if your dog is squinting, compare the size of your dog's irritated eye to the other one. (B) This is not always an indication of eye irritation. It's often the case that tears will build up within the eyelids, which can cause the eyes to appear unfocused and dry. (C) It may also display its eyelids twitching or blinking repeatedly. Some dog owners find it embarrassing to have their dog squint because of its inability to see. (D) Visit your vet if you notice : [substeps] Squinting irritation blockage of the eye. This is the case with retinitis, which causes squinting.

A: A
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Q: [header] How to survive flight attendant training [title] Pack enough of all the essentials you will need to make it through an extended trip while maintaining a professional appearance. [substeps] Unless otherwise specified in your correspondence from the airline, bring business attire for classroom and training sessions. Bring business-casual attire for down time. <sep> (A) This includes a sweater, gloves, sensible footwear for long car rides, and a carry-on book for your reading habits. First, bring jackets, pants and boots. (B) Some airlines may provide you with a uniform during training, so you won't need to pack as many of your own clothes. Bring anything that will help you have more comfortable and restful sleep, like an eye mask, your own pillow and calming music. (C) Even a range of items such as a fishing belt and sneakers are most effective during this time period. If you know your plane has a get-together with close friends and family, bring along some casual clothes to dress up for your flight. (D) Don't pack clothes that are too formal, too casual, too old-school. The point of switching schools is to have a better idea of what you need to wear.

A: B
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Q: [header] How to simplify your thanksgiving gathering [title] Choose quicker alternatives to traditional thanksgiving foods. [step] To simplify the work you'll have to do on thanksgiving, consider buying alternatives to time-consuming homemade food. Purchase instant mashed potatoes instead of making them from scratch, or use packaged stuffing to save time. <sep> (A) If you still want to cook, go minimalistic and find recipes that have only a couple ingredients per dish or aren't overly complicated to construct. [substeps] Gingery cranberry relish only uses three ingredients and takes around five minutes to prepare. (B) [title] Swap out leftover baked goods for pre-mixed fare. [step] Many casserole recipes call for pre-mixed fare, which tends to be cheaper than the at-home specialty of soup or toppings. (C) You'll also save time by substituting leftover items-like frozen dinners and pots and pans and tablecloths. Instead of braising thanksgiving items, consider replacing pre-cooked produce at home with your favorite thanksgiving curry, or using canned chicken and rice instead of skillet-based food. (D) [substeps] There are many alternatives to home-made thanksgiving foods, so you'll want to tailor your choices to your lifestyle. If you live in a rural area, think about spending more money so you have the ability to spend one part of your thanksgiving meal on local cuisine.

A:
A
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