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 Input:
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 Output:
C


Ex Input:
[header] How to take care of butterflies [title] Start with baby caterpillars. [step] If this is your first time raising caterpillars, you might want to start with a caterpillar kit. You can order a kit online and choose from a variety of butterfly species. <sep> (A) You can store all your butterflies at once in the kit. Just make sure not to overpack them in 1 location. (B) [substeps] Choose a caterpillar you'll be able to collect for some extra protection. You don't want a caterpillar whose wings are incredibly weak. (C) Make sure that the caterpillar is about 3 feet (0.6 m) in length. [substeps] If it is not small enough, you will have to wait several hours before you begin the process. (D) The kit will come with everything you need to raise the caterpillars into butterflies. If you prefer, you can instead find caterpillars in your neighborhood and provide what they need to become healthy butterflies.

Ex Output:
D


Ex Input:
[header] How to use bubble wrap [title] Use bubble wrap to protect delicate items, like glass or electronics. [step] Bubble wrap is ideal for padding glassware, ceramics, mirrors, and other fragile items while moving. Because bubble wrap comes in large sheets, it can be more effective for wrapping bigger items than styrofoam or newspaper. <sep> (A) [substeps] If it's not light enough for your bubble wrap, you can twist or simply press the ends of the bubble wrap together. [title] Place an ice pack on the spill. (B) [title] Wrap all delicate items before putting them in the box. [step] Place your item on a sheet of bubble wrap and cut out a piece long enough to cover the item in bubble wrap. (C) It also helps protect your items from dangerous particles. [substeps] Bubble wrap does not contain the same polymers that foam bath sheets, or these can solidify and shrink in water before use. (D) [substeps] Read a section on making bubble wrap from a variety of perspectives, so you have a comprehensive understanding of exactly what you're making. [title] Pack your bubble wrap in a cooler.

Ex Output:

B