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". 

Ex Input:
[header] How to choose a dating site profile picture [title] Let them see you. [step] A profile picture's main purpose is to let potential matches see you. Because profile pictures tend to be small, you might want a picture of just your face or your shoulders and face. <sep> (A) Alternatively, you could create your own photo that includes the only aspect of your face that is not too large. [title] Optimize the picture to serve as a place to get ideas. (B) ( this is probably too self-deprecating and rather a trap for the stalker. ) showing them your face lets the potential date know exactly why you are happy with them. (C) That way, they can see you easily without even clicking on your profile. [substeps] That means getting an up-close picture. (D) And as a profile image can be a good way to portray your personality and show potential dates or non-potential matches, you should also have a picture of you together. You can use any picture of you as your profile picture if you have access to the internet.

Ex Output:
C


Ex Input:
[header] How to make iced green tea [title] Boil 4 cups (950 milliliters) of water in a large pot. [step] If you would like to make a single serving, boil 1 cup (240 milliliters) of water in a kettle instead and pour it into a mug. [title] Take the pot off the stove, and add 4 to 6 tea bags into the water. <sep> (A) [step] Swish the tea bag or bag around in the water to help dissolve it, then you're ready to serve it. [title] Add 4 to 6 teabags to the pot. (B) [step] The more tea bags you use, the stronger your tea will become. If you would like to make a single serving, dip 1 tea bag into your mug. (C) [step] Make sure that the tea bags reach the proper amount of length to minimize the risk of scorching. [title] Turn the heat off and let the tea steep for 10 to 15 minutes. (D) [step] This will have the texture of a teaspoon of ginger. [title] Leave it to steep for about half an hour.

Ex Output:
B


Ex Input:
[header] How to diagnose and treat marijuana poisoning in cats [title] Look for depression. [step] Your cat might experience depression if it has been poisoned by marijuana. Common symptoms of feline depression include lethargy, weakness, listlessness, oversleeping, and difficulty waking your cat. <sep> (A) Your cat might also have difficulty sleeping due to the nausea (hyperkalemia) that occasionally manifests in other animals, such as cats with hepatitis a (if liver disease is present). Pet a cat if : [substeps] Your cat is well-behaved. (B) [substeps] Consider getting your cat tested by a vet to identify the cause. These symptoms might present as redness in the area of your cat's eyes or lethargy. (C) Some depression sufferers may even suffer from delirium or even seizures. Because of this, it is important to examine your cat's behavior and identify symptoms. (D) Other telltale symptoms include : [substeps] Disinterest in play where it used to play regularly aggression toward other animals in the home refusing to use the litter box generally withdrawn and sullen behavior [title] Monitor your cat for hypothermia. [step] Hypothermia is a condition defined by a low body temperature.

Ex Output:

D


