Detailed Instructions: 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".
Q: [header] How to prevent insomnia [title] Create a relaxing bedtime ritual. [step] It's important to have a relaxing ritual to engage in before bed. Having an activity you regularly engage in before bed can help signal to your mind and body that it's time to sleep. <sep> (A) Relaxation techniques before bed can also help the brain wind down. [substeps] Deep breathing can help aid in sleep. (B) [substeps] This will also help you create a bedtime ritual. This is important, because reading, listening to music, reading a book, writing in the dark, or doing something you enjoy will all disrupt your sleep. (C) It might be something simple like going to the bathroom in the morning, reading a book in the afternoon, or taking a nap. [substeps] No matter what time of day you have to get out of bed, take a few minutes to commit it to your activity and behavior habits. (D) [substeps] This might take some trial and error. Don't get overwhelmed by the idea of relaxing before bed.
A:
A