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 Input: [header] How to avoid water retention [title] Have a healthy diet. [step] Ensuring you have a healthy, balanced diet is a good first step to avoid water retention. Water retention can occur due to imbalances in your diet, deficiencies of some vitamins and minerals, and having too much salt. <sep> (A) One study found that people with excess salt = no water retention. " imbalance " can add up as a reason for water retention and include making it much more difficult to stay hydrated. (B) Excess salt raises your blood pressure, resulting in inaccurate results. Look for foods that are low in salt and low in water. (C) Eating a balanced diet will help to reduce the chances of water retention occurring due to these issues. [title] Eat food that is rich in potassium. (D) [substeps] If you have recently cooked or baked a meal, make an effort to change your recipe one day. This can help your body prevent the retention.
Example Output: C

Example Input: The man in red shirt is walking in the water pulling the group of tubes. The man stopped walking and talked to the man lying on the tube. the people <sep> (A) gathered small flowers to plant. (B) are picking the man up off of the tubes and then stopped to talk to the man sitting beside the tube. (C) put on their shoes and stood up from their tubes. (D) all stand and then get off the water and those people walk down a dirt path to the water.
Example Output: C

Example Input: [header] How to knit (for kids ) [title] Start with a simple project. [step] Everyone starts out knitting simple projects to learn the basics and build up their skills. Make it easy on yourself by choosing a knitting project that will let you practice basic skills and that won't take too long to finish. <sep> (A) Focus on simple, less complicated projects so that you don't get overwhelmed. [substeps] For example, you may want to start with knitting on upholstery. (B) Once you're used to doing basic knitting projects, you can gradually build up your skill level (or at least increase how much time you spend researching the subject each day). [title] Begin with a 20-to 30-point-length test. (C) [substeps] Try looking at tutorials and flyers from arts and crafts and see what shows up for you. After you've done some research and created a few patterns, choose the one that will suit your new set of stitches. (D) Some good starter projects include : [substeps] A washcloth a scarf a doll's blanket swatches [title] Look into starter kits. [step] You can purchase starter kits that are meant for kids.
Example Output:
D