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: There's a woman sitting on a cozy chair with her two cats next to her, knitting a black yarn hat. the black cat <sep> (A) wakes up from its sleep, goes over and rubs on the woman several times and one person in the back grabs his cat, drinks some water and finally goes back to sleep. (B) is now sitting on a silver plate, one paw quickly getting knitzed. (C) gives a series of pats on the brown and blue body, while the black cat tries to stand up. (D) is sitting right next to her and playing with the yarn while the brown cat is watching them.

SOLUTION: D

PROBLEM: [header] How to wear a sport coat [title] Learn the difference between a sport coat and other coats. [step] Though they're commonly conflated, a sport coat is not a blazer or a suit jacket. Sport coats need not match the fabric of the pants, as you'd find with a suit jacket. <sep> (A) The sport coat should also wear dark wash jeans and a tie. [substeps] Sports coats especially stick out in the summer and stay in place at night during the day. (B) Instead, they have a specific pattern or color used in place. Once you find a sport coat, stay in mind that it needs to be closely tailored. (C) In fact, many sport coats are used to cover up " casual " or something too formal, like a suit or slacks. Sport coats typically go below the knee or above. (D) The biggest difference between a sport coat and a blazer is that sport coats are patterned, while blazers are made of solid fabric with a contrasting color of button. [substeps] Stylistically, sport coats are sometimes a slightly looser fit than other kinds of dress coats, allowing for outdoorsy use and " sporting.

SOLUTION: D

PROBLEM: [header] How to make a compost tea [title] Dechlorinate your tap water. [step] You'll need around 3 gallons (11 l) of water to make the tea. Let the water sit out in the sun and fresh air for several hours. <sep> (A) For the most satisfying tasting tea, dechlorination may be your choice. This is as simple as checking with a local water supplier. (B) Air humidifiers are best as they can collect water, but you can also buy air filtration devices to use if the time is right to dechlorinate your system. [substeps] Using a pot or kettle to dechlorinate the water can help dissolve debris in the water. (C) The organic product will help counteract the sulfates and ammonia, while reducing the taste of the mixture. If you're doing this yourself, check the package for instructions on how to dechlorinate the water. (D) This will allow any chlorine in the water to break down, because chlorine will kill the beneficial bacteria in the compost tea. [substeps] You don't have to aerate the water if you're using well water or another water source that doesn't contain chlorine.

SOLUTION:
D