TASK DEFINITION: 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". 
PROBLEM: [header] How to teach your dog to speak [title] Choose your reward. [step] Pick something your dog really loves; the better the reward, the easier it will be to teach your dog. If your dog loves to play, you can try using her favorite toy and playing with her when she barks. <sep> (A) In some cases, you can train your dog to bark through verbal praise. [substeps] Figure out your dog's reward based on cultural context. (B) Point out what your dog likes to play with and put a look on the chart indicating what she wants to learn. [title] Tell your dog to " sit ". (C) Most people, however, will find that treats are the most effective way to teach a dog. The best treats will be ones your dog loves, and which are also easy to carry, easy to break into pieces, and healthy. (D) If her bark is off-putting, encourage her to try other tricks, to avoid barking. [substeps] If you provide a toy or two, this will be enough to train your dog to try the reward.

SOLUTION: C

PROBLEM: [header] How to deactivate your cat [title] Use this only when necessary. [step] In one study, thirty out of thirty-one cats reacted positively, and none showed signs of pain or fear. Still, your cat may not enjoy it. <sep> (A) [substeps] Read product descriptions to learn how to safely deactivate your cat. Once they have deactivated, they are less likely to be inclined to do it again. (B) For this reason, you will want to give your cat the option of deactivation before extending any line of treatment. If your cat shows no reaction, and no whimpering, do not use this. (C) Some cats're immune to using this solution, though. Think about this: if your cat has not responded to any of the other methods, there is a good chance they like this variation. (D) Many vet technicians consider " scruffing " techniques old-fashioned, and too intense for regular use. Some say this technique is a more gentle option, but this is controversial.

SOLUTION: D

PROBLEM: [header] How to make butter biscuits [title] Grease an oven tray with the butter. [step] Sprinkle some flour over the butter and shake the tray to evenly coat it. The butter and flour prevents the biscuit dough from sticking while baking. <sep> (A) Then, pour one cup (155 g) of the filling into the tray. [substeps] If you're making a cake roll, include a cup (175 g) of unsalted butter in the recipe. (B) [title] Beat 3 eggs with a whisk. [step] Use both hands to beat together 1 egg with 3 cups (710 g) of flour until smooth. (C) [title] Mix the butter and sugar in a large bowl. [title] Mix two eggs in a small bowl and add the vanilla extract to it. (D) To grease the tray, you can use a biscuit cutter, knife, or the back of a spoon. However, you may need to cut this dough into manageable pieces and spread it out on the tray.

SOLUTION:
C