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 Q]: [header] How to buy alcohol online [title] Order alcohol only if you're of legal drinking age. [step] Buying online might seem like a good option if you are underage, but it can land you in a lot of trouble. The law limits the drinking age for a reason. <sep> (A) Don't put yourself in a bad situation! [title] Follow the same laws for buying locally in your area. [step] Ordering online will not exempt you from your area's restrictions on buying alcohol in person. (B) ( even better, it isn't illegal. ) read the laws when you are curious about your choice. (C) Nonetheless, you should look for alcohol in liquor stores or online sellers. [title] Weigh the pros and cons of ordering alcohol online. (D) You can find the rules of drinking online, and most law enforcement agencies now have regulations regarding underage drinking. [substeps] Many copyright infringement lawsuits involve the intellectual property of the other party.
[EX A]: A

[EX Q]: [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 A]: C

[EX Q]: [header] How to bleach jeans [title] Lay newspapers on your floor in case of spills. [step] Before you start bleaching, lay out newspapers around the area you plan to bleach. Many surfaces, especially carpeted floors, are prone to getting stained by bleach. <sep> (A) The smell of baking soda and other chemicals can cause spills. If possible, choose newspaper at your local hardware store or home improvement store. (B) Newspaper--and check for spills--will help prevent spills and damage while you dye your jeans. [substeps] Avoid getting newspapers on the floor, especially if you are getting bleaching a severe stain in an otherwise semi-white paint or color. (C) Lay newspapers around your washing machine as well, as you will need to wash your jeans shortly after bleaching. [title] Change into clothes you don't mind staining. (D) Besides the carpets, you should also lay down newspaper under the chairs and tables in the room you plan to bleach. [substeps] You can also make your own newspaper by lining 8 pieces of white paper with masking tape and spreading a border around the outside edge of the newspaper.
[EX A]:
C