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]: A woman stands behind a bar and talks to the camera. The woman then takes a glass an puts it on the bar. the woman <sep> (A) screws a cocktail shaker onto a lemon wedge and pressing the lemon wedge back and forth. (B) begins making a cocktail. (C) takes a bucket and turns it upside down. (D) then pours liquid into the glass with ice after.
[EX A]: B

[EX Q]: [header] How to bathe a pregnant guinea pig [title] Select a shampoo. [step] There are all types of shampoos for pets. For your guinea pig, make sure the shampoo is made specifically for small animals (it should say so on the bottle). <sep> (A) Otc shampoos and chemical shampoos are good choices. Avoid shampoo labeled specifically for guinea pigs and those formulated for females. (B) This way, both animals can use the shampoo and their fur will be clean. While many shampoos claim to free your guinea pig from " reye's syndrome ", this actually isn't true. (C) [substeps] Make sure that it is specially formulated for pregnancy-therefore not designed for your guinea pig. You can get shampoo from the veterinarian. (D) A small animal-specific shampoo will keep your guinea pig's skin from drying out or becoming irritated. Since your guinea pig is pregnant, the shampoo should also be non-medicated to prevent ingredients absorbing through her skin that could harm her unborn babies.
[EX A]: D

[EX Q]: [header] How to spend an interesting summer (teens ) [title] Think about things you've always wanted to do, but didn't have time. [step] Summer time is the time to put them in action. Find out what would you like to do and enjoy! [title] Get in shape. <sep> (A) [step] Day to day life just gets boring, and hey, if you're ready for day to day life, get active! Have a shower every day, wash your face, and put on some bright clothes. Walk around a bit, or get yourself a bike. (B) [step] Getting fit is so important, especially for teen teens! Even just a little exercise a day can help you get fit. If you're not a runner or enjoy chasing after your parents, exercise can come naturally. (C) [step] Summer is also time to get fit. Why should we be lazy whole day long and do nothing? The early bird catches the worm. (D) [step] This is a very important step as you need the right mindset. It's also a good idea to consult a teacher about your progress as a teen, if you're struggling with body image! [title] Have good hygiene, brush your teeth, and make sure you exercise regularly.
[EX A]:
C