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 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.

Ex Output:
D

Ex Input:
A teen puts make up to an man on his face. then <sep> (A) , the teen puts a shoe to the face of the man to make makeup. (B) , the teen puts smooth make up on the man's face, then the teen puts make up on the cheek. (C) , the man puts perfume on the man's face and create a grimace. (D) , the teen puts mascara, lip sticks and paint the eyelid with an eyeliner.

Ex Output:
D

Ex Input:
[header] How to talk to your daughter about her period [title] Plan ahead to have the talk early. [step] On average, girls begin menstruating between 12 and 13, but some may start much earlier or possibly later. Consider your daughter's age and tell her casually that you'd like to have a conversation about health and our bodies. <sep> (A) [substeps] Also consider how much time you plan to have. Tell her you feel it would be better to have some time for sex. (B) [title] Practice what you plan to say with a partner or friend. [step] Knowing what information you intend to share ahead of time is important to avoid uncomfortable moments for both of you. (C) Then, wait for your daughter to talk to you about it. [title] Arrive to your daughter's menstrual cycle. (D) [title] Be as clear about what you want to talk about. [step] Your daughter may not know because you don't meet her on a formal level, but she may be curious about the topic and be interested enough to ask you about it.

Ex Output:
B