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 start a nanny business [title] Get a list of prospective nannies. [step] Advertise in newspapers, online ads, put signs up, and give flyers. If you have experience in child care, solicit coworkers and contacts to see if they are interested in providing nanny service or if they know others who would. <sep> (A) Online groups like the sunshine and children's network are great places to begin looking. Be sure to approach your current employer, perhaps to ask if they know of a nanny who would be willing to offer you a job. (B) Also keep in mind if someone does not want a flyer they are not interested so don't bug them they might spread the word, ruining your business. [title] Do a thorough background check on each candidate. (C) [substeps] Make sure to get a roster in question. Nanny cannot become a nanny, but a general guideline for a daycare provider's operations is to have several nanny's staff. (D) Maybe advertise with a school newspaper or with individual business cards. If the nanny is from a more prestigious family, contact them later so they can accept your offer.

Ex Output:
B


Ex Input:
A shirtless man talks in a gym. A lady runs past both ways then jumps rope behind the man. we <sep> (A) zoom in on the man under the floor. (B) see a man in a beard as he ref naels. (C) see the closing screen. (D) see title screens with instructions.

Ex Output:
D


Ex Input:
[header] How to decorate a pet rat cage [title] Find a house or nest for them to sleep in. [step] Rats like having a little home to sleep in when they're tired--you'll find that if you don't have a house in their cage, your rats will sleep in a corner or near the sides of the cage, usually not flopped out in the middle. In the wild, rats have burrows. <sep> (A) It's the same with domesticated rats. Instinctively, they like to have a cozy little place to sleep in. (B) Rats burrow into dark spaces so that their parents can't see their burrow. [substeps] If you do decide to use a house, make sure it can accommodate them. (C) Rat nests are essentially small holes in the ceiling. You can go about finding rat houses in basements of a large house to suit your rats. (D) Rats find hiding in yards, in the woods, or under the furniture works well. The burrow can also help with this problem.

Ex Output:

A