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". 

[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 video of clipping a cats toenails is shown. Each paw is grabbed and the nail is pushed out and trimmed. the cat <sep> (A) paws are re-clipped making a clean appearance. (B) scrapes the nail clean before clipping it. (C) loss hurt but she's gotten over it and is now kicking back showing off her toe nails. (D) is oddly calm the whole time.
D

A man is seen pushing a large machine around a wooded area and cutting the grass along the trees. a video <sep> (A) of him cutting grass is shown followed by several shots of trees and an individual dragging it along. (B) shows how the machine works and leads into a man speaking to the camera and shots of the machine working. (C) then cuts to scenes of him cutting the grass with a machine and the machine showing the topics of his home decor. (D) of him is then shown of the two around the area speaking to one another and cutting again at the same time.

B