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 indoor course is panned with camera in a warehouse setting. an athlete <sep> (A) runs on the course with a javelin, catching it about six times in the air before returning to throw again. (B) runs down a track and pole vaults over a high bar and onto a cushioned landing pad. (C) runs through the course exhibits. (D) performs a routine on the course taking long spins around turns.

Ex Output:
B


Ex Input:
[header] How to cook with nuts [title] Buy shelled nuts. [step] Nut shells have no nutritional value and cannot be consumed. Doing so could cause them to lodge in your throat, and you could choke. <sep> (A) Instead, buy shelled nuts when you are grocery shopping. Don't buy shelled nuts when you are preparing meals. (B) Therefore, always buy shelled nuts, or shell them yourself. In either case watch out for the occasional shell piece that might be left behind. (C) Shelled nuts aren't good for eating or digesting. There are other foods you can eat that don't require shelled nuts, such as : [substeps] Butter, peanut butter, cottage cheese, okra, teriyaki, and chickpeas. (D) Choose shelled nuts whose shells are heavy, easily broken, or cracked. Opt for : [substeps] Corn nuts pumpkin shells peanut nuts pumpkin seeds roasted nuts sunflower seeds [title] Clean your shells.

Ex Output:
B


Ex Input:
With the use of a paintbrush, he covers the table with the liquid. He removes varnish from the top of the table. afterwards <sep> (A) he puts a towel over the sink. (B) , he does a light sanding of the table. (C) shows the varnish inside the table. (D) he takes the wallpaper paper off the table and rubs it on the table.

Ex Output:

B