TASK DEFINITION: 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".
PROBLEM: [header] How to address guests on escort cards [title] Address individual guests using their full name. [step] Guests who are planning on showing up by themselves need only be identified by their first and last name. Consider including the person's middle initial if they have a common name that may be shared with other guests. <sep> (A) [substeps] Consider the sender of each card or the recipient's first and last name. If they have a primary or joint name, include this with the full name. (B) [substeps] It's a good idea to use the name of the guest you want to address yourself. For example, if you want a library card (and you have permission to use the card), you can designate it " mr. (C) [substeps] For example, someone who lives alone may want to include " treasurer jones, " especially if their name is john smith. [title] Use text messages to identify guests based on their name. (D) [substeps] Unless your wedding is going to be an informal celebration, don't use abbreviations or nicknames-write " samantha " instead of " sam " and " william " rather than " bill. " an escort card for an unaccompanied guest might simply read: " john b.

SOLUTION: D

PROBLEM: [header] How to teach your dog to speak [title] Choose your reward. [step] Pick something your dog really loves; the better the reward, the easier it will be to teach your dog. If your dog loves to play, you can try using her favorite toy and playing with her when she barks. <sep> (A) In some cases, you can train your dog to bark through verbal praise. [substeps] Figure out your dog's reward based on cultural context. (B) Point out what your dog likes to play with and put a look on the chart indicating what she wants to learn. [title] Tell your dog to " sit ". (C) Most people, however, will find that treats are the most effective way to teach a dog. The best treats will be ones your dog loves, and which are also easy to carry, easy to break into pieces, and healthy. (D) If her bark is off-putting, encourage her to try other tricks, to avoid barking. [substeps] If you provide a toy or two, this will be enough to train your dog to try the reward.

SOLUTION: C

PROBLEM: [header] How to be a biker [title] Get the bike that suits you best. [step] Think about what you want to do with your bike, and how you want to ride it. If you're a new rider, you should consider the weight of the bike, as well as how tall it is. <sep> (A) If you know you are slimmer than other riders, you should consider riding a bike that is at least 70% lighter than the other riders. [substeps] If you plan on riding a bike tall enough to carry several loads, look for bikes that will be slightly lighter. (B) You'll also want to consider whether it's a comfortable fit for you. [substeps] If you weigh over 200 pounds, you probably won't want a bike with long wheels. (C) You want to be able to put both feet down on the ground when you come to a stop. [substeps] Bikes come in all shapes and sizes. (D) If you're new to bike riding, don't be afraid to borrow a bike that's a bit harder on your feet. Consider bike wheels with the spine broken, so that when you rise off the bike, you will not fall backwards.

SOLUTION:
C