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". 

Example 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.
Example Output: C

Example Input: [header] How to help a friend cope with a breakup (for girls ) [title] Actively listen to your friend. [step] Active listening is an approach you can use to get the most out of your interaction with your friend. When you're actively engaged and communicating openly with your friend, you are showing your friend that you understand her feelings and are supportive of her. <sep> (A) This will also show your friend that you really mean what you say. Your friend may feel embarrassed or upset by this approach, and will likely move on her own. (B) Often when a breakup occurs, it can lead to feelings of loneliness and self-doubt. As a friend using active listening skills, you are communicating to your friend through actions that she is not alone and that value her thoughts and feelings. (C) [substeps] As you listen to your friend and get to know her better, you can start to practice listening in ways that engage her and build your friendship. There are several ways to actively listen to what your friend says, including: practice active listening on a regular basis. (D) If you make eye contact and nod in agreement, your friend is better able to hear you, she understands that you are understanding her and that you are empathizing with her. [substeps] Don't interrupt your friend when she is talking.
Example Output: B

Example Input: [header] How to make mother's day gifts [title] Create homemade lip balm. [step] Mix 3 parts of liquid oil and 1 part beeswax in a pyrex measuring cup or heatproof canning jar. Set the jar in a pan with a few inches of water and slowly heat the water until it all melts together. <sep> (A) Add a few drops of essential oil and mix it. Then pour the balm into tubes or tins and let set until completely cool. (B) [substeps] Children may also get the tub ready to make the lip balm. [title] Use the jar as an easter egg centerpiece. (C) Insert the cotton sticks and twist them around so that the lip balm becomes a paste. [substeps] You can use a small rubber lip cap made from coconut, dental wax, or petroleum-free baby powder. (D) [title] Make lemon and lime popsicle sticks. [step] Wash a fresh lemon and use it to form popsicle sticks.
Example Output:
A