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".

Ex Input:
A man is talking while holding a toothbrush in his mouth and starts to brush his teeth. The man continues to brush his teeth while talking some as well. the man <sep> (A) then touches his head and fingers it as well as his face. (B) has a spray bottle and sprays it onto his teeth and he's back to brushing his teeth as well. (C) grins with paste in his mouth and continues to brush his teeth. (D) spits his mouth out into the sink which continues to make him embarrassed and has him grab his toothbrush.

Ex Output:
C

Ex Input:
[header] How to build a passion for cooking [title] Make a list of your favorite foods to eat. [title] Go to your local public library website. [step] Type the names of these favourite foods into the search bar. <sep> (A) This will let you create your own lists of the foods you like to eat. Also, there will likely be a section where you can put your personal information about the food that you like. (B) If you are a parent, keep an internet encyclopedia online. Tell with the patient that you have a hard time remembering the specifics of these foods. (C) For each item, choose the cookbook that looks the most interesting and put a request on it. [title] Select the recipes that resonate with you. (D) [title] Pick up a crock pot and fill it with warm water. [step] Cook the mixture for a few minutes until the water is cold.

Ex Output:
C

Ex Input:
[header] How to determine how much water plants need [title] Provide water based on the native environment of the plant. [step] Determine where the plant grows in the wild. Then, provide water based on that environment or ecosystem. <sep> (A) Water based plants is probably best for in pots or in tropical areas. [substeps] You should have 5 to 6 buckets of water per plant in your garden. (B) For example, if a plant is native to a tropical region and you live in a semi-arid environment, you'll need to provide a lot more water to it than to plants that are native to your region. [substeps] If you're in a dry location (like the desert southwest), provide more water to fruit and vegetable bearing plants than you would native plants. (C) A plant should have access to water at all times of the day and low tide or wash times if there is a lot of water available within its general area. Make sure that the plant's growths and roots are well drained before watering. (D) You should buy maintenance equipment, such as pumps , 20 liter tubes, a watering gun, and a medium sized garden sprayer to help the plant grow. [substeps] Most native plants do not require enough water because many native plants do not like the same regularly used water as they do in the wild.

Ex Output:
B