instruction:
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". 
question:
[header] How to write a newspaper headline [title] Understand the key elements of a newspaper headline. [step] A good newspaper headline will be factually correct, connect to ordinary readers, attract attention using active words, and match the tone of the article. [substeps] Accuracy is very important when writing a newspaper headline, as you do not want to create an unintended meaning or confuse your reader. <sep> (A) It's critical that headlines match a published page or text. So do not simply copy and paste the journalist's name or a non-published article after a headline and e-mail the cover letter to the editor. (B) [title] Include a colon at the top of the page and then a colon after it. [step] The first colon will act as a prompt and the other colon will be used to write the rest of the article. (C) The headline should be at least three-quarters of the way down the entire body of the article. Rarely is a headline more important than the rest of the article. (D) Avoid exaggerating or embellishing the content in the article by using an overblown headline. Instead, aim to communicate clearly with your reader through a short, one to three word headline.
answer:
D


question:
[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.
answer:
C


question:
[header] How to use an italian bathroom [title] Find the bathroom and make sure it is open for business. [step] This is more difficult than you might think. Some public bathrooms in small towns in italy, for reasons stubbornly unclear, are closed during the lunch hour and on wednesdays. <sep> (A) You should make sure the bathroom is open for business and that it is easily accessible. If there is no reason to open doors, you may have to purchase a container for the toilet holder so that you can locate the restroom later. (B) [title] Remove all clothing before entering the bathroom. [step] Make sure that no one who walks by you has a weapon on him or her. (C) Other bathrooms are open during quiet hours such as the evening or after normal work hours. Locate whichever bathroom you think is safest and consider buying a little more normal toilet paper so you can carry your spread throughout your house. (D) ( yes, we're looking at you, rio maggiore. ) if you can't find a public bathroom, try the train station.
answer:

D