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 white screen appears with colorful special effects that include a child's face a flying blue butterfly and colorful words that read "healthy child healthy world healthychild", another white screen appears with the words "healthy child tv healthy bytes". a woman <sep> (A) then appears wearing a front yard apron and proceeds to dodge a fly that flies after her. (B) is standing in a kitchen, and she begins to rub ingredients into cake pans, which she dumps onto the pan. (C) is now standing in a kitchen, words on the screen say her name is jennifer taggart and she's an eductional program specialist, and she's talking the whole time while demonstrating on how to measure ingredients and then she pours them into a clear glass bottle through a funnel. (D) is then shown painting nails and jacket or clothing on a blue paper piece styled with colors that begins with red and blue.
[EX A]: C

[EX Q]: [header] How to stay up late without electronics [title] Drink caffeine. [step] Caffeine blocks neurotransmitters in your brain that make you sleepy. When you start to feel drowsy, reach for a cup of coffee or a soda. <sep> (A) Remember that caffeine loses its effectiveness with overuse. Try to save it for when you really need it. (B) Your body will start shutting down caffeine when you're outside and keep you awake by doing what it is meant to do. It can help you stay awake long enough to go to bed. (C) Though caffeine will not give you energy right before sleep, it will trigger the natural sleep signal that draws us into the world right before it hits. An caffeine-rich beverage will wake you up more, making your sleep better. (D) Coffee is the source of human sleepiness so drinking coffee or another caffeinated beverage before bedtime is important. Even an extra pill is a key lubricant.
[EX A]: A

[EX Q]: [header] How to deal with a teenage son [title] Make your expectations clear. [step] Your teen is less likely to push back if he has a voice in some of the rules. Sit down and have a talk with him about what each of you think is fair in terms of rules and consequences for breaking them. <sep> (A) Post these rules in a common area so that they can be accessed easily. [substeps] The consequences should be appropriate for the rule that was broken. (B) Agree on what the rules are so that he doesn't fall in line with some of the consequences. [substeps] Figure out your son's boundaries with a fair understanding of what does and doesn't matter. (C) [substeps] Establish specific consequences for breaking certain rules. For example, start by asking your teen how much privileges he'll get when he's home. (D) [substeps] For example, don't lead a teenager into doing something he won't enjoy, no matter how much his parents may say that it would help him better cope with school. Many teens are insecure about parental control, especially when things in a relationship revolve around expectations.
[EX A]:
A