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 tell the difference between different types of plant fertilizers [title] Use soluble fertilizer when you want to water in the fertilizer. [step] This fertilizer is usually added to the watering can. [substeps] This is best for helping boost growth when its growing season and for frequently fed container plants. <sep> (A) In the summer break, try adding two or three inches of food to fill the watering can-too much fertilizer will kick in when the corn is thirsty, too little will only keep it growing. Plan it out in a bucket or basin for easy irrigation. (B) [title] Use a hose to water a potted plant after planting. [step] Water a cactus when they get too hot for watering. (C) Leaves that don't bond and stink up the water are also large fertilizer that needs to be added to your watering can. [title] Use different types of fertilizer. (D) [title] Use granular fertilizer when you need to supply a concentrated amount of nutrients. [step] A plant may be lacking in a particular nutrient (this will be evident through such things as yellow leaves, , etc.
Example Output: D

Example Input: We see a person sharpen a knife on a sanding disc. The person touches it and turns it off. The person turns it on and then off off. we <sep> (A) see the person sharpening the knife on a cookie sheet. (B) see a man run in slow motion. (C) then see the title screen. (D) see the man talking to the camera.
Example Output: D

Example Input: [header] How to chase somebody on foot [title] Assess the situation. [step] Is the person armed, or is it somebody you would not be able to handle? If so, you had better not chase them. [title] Try to predict where the person is going. <sep> (A) [step] From your location, track them around an area, you can also read news bulletins, weather reports, etc. You can also just note down where they are going. (B) [step] If someone is running in the direction you want to go, but they're not on your track, you can still chase them, but if the person walks a few steps right or left, they're too late. [substeps] Try running up to a person as they cross the street. (C) [step] If you know, you can go there instead of chasing them. [title] Determine whether it's worth it. (D) [step] Knowing where you are ahead of time can help you steer the potential attacker back where they are not. If they are on a flight to the airport or you see them leave a parking lot when you do not, crouch down and jump a little bit.
Example Output:
C