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".
Input: [header] How to feed an amazon parrot [title] Feed your amazon parrot food pellets. [step] The best diet for your amazon parrot will consist of about 80% food pellets, which are developed to be nutritionally complete. Pellet food provides all of the nutrients that you pet parrot needs at different stages of its life, and can be bought in different colors and flavors. <sep> (A) Purchase food pellets at pet stores or online. [substeps] Food pellets should be readily available and replaced daily. (B) [substeps] Pellets don't have to be packaged in pelleted food containers. It is up to you to make which pellets work best for your amazon parrot. (C) You may find the food pellets are blue, orange, or yellow in color. [substeps] Once you start giving your parrot pellets, it is best to familiarize yourself with his food and flavor. (D) One option is to provide 10% pellets initially, adding more as your parrot feeds. [substeps] Avoid feeding more than 10% pellets once your parrot has begun to eat pellets.
Output:
A