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".

Input: Consider Input: [header] How to fall asleep if you are blind or visually impaired [title] Talk to your doctor. [step] If you are a blind or visually impaired person who is having trouble falling asleep, you should set up an appointment with your doctor. Ask your doctor to examine you for non-24, a sleep disorder that frequently affects visually impaired and blind people. <sep> (A) This can help you make a diagnosis and develop strategies to speed up your recovery. [substeps] Ask your doctor if sleep loss, depression, dyslexia, or dyslexia problems might be the issue and advice you need. (B) A doctor can make a diagnosis of a sleep disorder and understand your problem. Treatment of the sleep disorder based on the condition will help your doctor identify the underlying cause and decide how long it is necessary to treat you. (C) Your doctor may refer you to an optometrist or psychologist who has experience treating dementia or cognitive dysfunction. Your doctor may want to examine you in several places or diagnose various medical conditions. (D) [substeps] Non-24 is a disorder that affects your sleep-wake cycles and is common in blind people. People with non-24 have trouble falling and staying asleep at night, as well as extreme urges to nap during the day.

Output: D

Input: Consider Input: We see a lady and a girl on a raft on a snowy hill. The lady and a man push people down the hill. the people <sep> (A) slide in rafts down the hill. (B) are riding canoes and going on fishing trips. (C) ride down hill on their skateboards and the camera watches them. (D) are then seen skiing down the mountain.

Output: A

Input: Consider Input: [header] How to sue a debtor [title] Look for a contract. [step] You need to prove to a judge that the debtor owes you money. In order to do that, you should produce a contract. <sep> (A) By making the contract, you deny all claims or demands the debtor has made in order to get the money to you. [substeps] If you don't have a contract, then you are not technically a " free " debtor. (B) In that contract, you have to demonstrate your ability to collect and pay the right amount of money that the debtor owes you. [substeps] You will have no contract stipulation on when and how much to collect on your money. (C) Typically, contracts are written and will state how much the debtor borrowed from you. [substeps] Look in your papers for a contract or a " promissory note " (which is the equivalent of a contract). (D) A contract should have a provision that describes how much you agree to pay the debtor. [substeps] For example, in an employee's compensation contract, you should have agreed to write a negotiation document outlining what each party agrees on.
Output: C