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". 
Example: [header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
Example solution: D
Example explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

Problem: [header] How to make papier mâché eggs [title] Blow up a balloon, tie the end into a knot, and set it down in a small cup. [step] The cup will prevent the balloon from rolling away while you work. [title] Mix 2 parts white school glue with one part water in a small bowl. <sep> (A) [step] If you choose to use water instead, hold the colored balloon--this will help the color mix, tone, and so on--together. [title] Tear a small piece of duct tape into small strips. (B) [step] This will be your papier-mâché glue. [title] Tear some paper into small squares or rectangles. (C) [step] Do not use water that is too cold, or it will not seal properly. [title] Scoop one small balloon into this small cup. (D) [step] Mix the solution a little bit at a time until you achieve just what you desire. [substeps] Use approximately 2 bags of white school glue (the amount you use on one egg for each 1 bag).

Solution: B