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]: A girl comes onto the screen and explains that she will be making some lemonade and shows the things that are needed. she <sep> (A) is attempting to take the lemonade from two cups that are standing outdoors, and attempting to make lemonade. (B) then walks to the sink and gives a very animated tutorial about the process and how to make them. (C) scoops some powder into a pitcher of water. (D) then returns to her strawberries and cucumbers and bashes them with a cucumber cocktail as well.
[A]: C

[Q]: A gardener is shown trimming very tall bushes with a gas powered trimmer that he plugs in and gets ready. He turns a few dials and gets to cutting some more of the surrounding bushes. he <sep> (A) appears very happy with his efforts watching up close while clipping the very tall hedges that has a special effect. (B) trims up and down the length of them with precision and accuracy. (C) goes back and forth with the trimmer while still cutting the hydro leaves, trimming them with a hand cutting tool, cutting the bushes, and trimming them with a stone powered trimmer. (D) cuts straight through the beginning raking the leaves and an older man walks in and takes a look at the clipping.
[A]: B

[Q]: [header] How to diagnose urinary tract disease in senior dogs [title] Notice if your dog has trouble urinating. [step] One of the most common symptoms of urinary tract disease is an inability to urinate. Signs of urinary tract disease also include straining to urinate, urinating frequently or only urinating in small amounts, as well as crying when urinating. <sep> (A) If you are worried that your dog is under-urinating, go to a veterinarian or a household health clinic to make an appointment. [title] Look out for your dog over six months old. (B) This change commonly develops as your dog ages. [title] Notice any difficulty taking urinary drug or using prescription medications. (C) [substeps] If your dog does urinate, check their urinate for any blood. You should also note if their urine appears cloudy, as this could be a sign of an infection. (D) [title] Get a prescription for prescription antidiarrheal medications. [step] If you find that your senior dog urinates heavily and unregularly, talk to your vet about giving your dog antidiarrheal medications.
[A]:
C