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:
[header] How to clean sperrys [title] Remove caked-on dirt with a bristle brush. [step] Using a soft toothbrush or a bristle brush made for leather, gently brush away any dirt, dust, or debris. Brush the leather with soft strokes in the same direction. <sep> (A) [substeps] Brushing the pricier areas first helps to allow for better handling of all surfaces. [title] Dust the back and sides of the flaked-off parts with a lint-free cloth. (B) If you scrub the shoes in multiple directions, you're likely to leave scars. [substeps] Use a rubber-bristled brush rather than a nylon-bristled brush. (C) [substeps] When applying pressure, make sure to keep the bristles away from your sperrys' feathers. It helps to remove any stuck on insects. (D) [substeps] Sweep or wipe off any grime stuck to the surface. Dry the area with a soft cloth or a clean towel afterwards.

Ex Output:
B


Ex Input:
A woman introduces that she will make a salad. She starts by taking a hand mixer and mixing several ingredients together to form a dressing. then <sep> (A) she adds hot chocolate syrup and water to the mixture. (B) , she adds the additional ingredients together with some cous cous and mixes everything together. (C) , she squeezes into a pot and put some chopped parsley and garlic in it. (D) she adds other ingredients, mixing the salad, followed by slicing the chocolate into slices.

Ex Output:
B


Ex Input:
He turns the tool and uses the cutting edge to slice the carpet at the wall seam and tears off the cut strip. he <sep> (A) removes the bleaches and pulls out the window. (B) turns the tool around and uses the roller end to tuck the carpet in at the wall seam. (C) moves down the wallpaper on the wall to show more work cuts. (D) then cuts the old piece of wallpaper with the scissors.

Ex Output:

B