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:
The woman grab the cup with her mouth and drinks all the beer buttons up. woman wearing white shirt and white blazer <sep> (A) stands in a decorated white room holding a cup banging on a drum. (B) grab the rings and walks up the stairs. (C) comes up and put on the lady drinks beer with her mouth and face. (D) is in a bar and drinks a beer glass.

Ex Output:
D


Ex Input:
[header] How to buy a last minute cheap flight [title] Check airline newsletters, websites that specialize in last minute air travel and the travel section of your local newspaper to find last minute deals on flights. [step] Sometimes you can save money by booking flights late because airlines that have not filled their planes will offer discount fares. [title] Compare airfares from different airlines, websites and travel agencies. <sep> (A) [step] Look at every airline's website so that you can compare and contrast prices. [title] Opt for free flights as before, otherwise follow the full booking program and you'll not miss your flight in a long time. (B) [step] Try booking flights from big-ticket airlines such as kiwi airlines and delta. [title] Compare prices from travel agencies that are offering cheaper flights. (C) [step] Purchasing flights directly from the airline is not always the cheapest deal, so check out a few different travel websites and travel agencies to compare prices. [title] Search for flights during undesirable days and times. (D) [step] Compare each airline's prices with the prices you are interested in. You might be able to find a cheaper flight for free.

Ex Output:
C


Ex Input:
[header] How to identify a basenji dog [title] Look for a wrinkled forehead. [step] One of the basenji's most distinctive features is its forehead, which displays a shar-pei-like wrinkle at all times. This can lend a puzzled or anxious expression to its face, but it's just the natural fold and texture of its skin. <sep> (A) Chin: large wrinkles can often cause the appearance of lower teeth to protrude. Feline chin means tall and full, hence the wrinkles. (B) The smooth forehead can either be a reliable indication of a basenji's age, and or it's just a toollayer beneath the appearance of its face. [substeps] A basenji can produce a rectangular face with a squarish nose. (C) [substeps] Stress wrinkles are often brought on by stress by frustration, lack of discipline, or too much stimulation. [title] Look for a large, rounded head. (D) [substeps] This wrinkle may seem more pronounced in puppies, who have more excess skin and folds. It will also be less noticeable in basenjis with brindled, black, or tricolored coats.

Ex Output:

D