instruction:
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". 
question:
We see a rowing machine in a exercise room. a lady <sep> (A) picks up a machine and lifts it to her shoulder, then drops it. (B) starts putting her feet in the turning machine. (C) sits on the seat and pulls the cord of the rowing machine. (D) pushes a machine.
answer:
C


question:
He then swings and misses many times. The boy finally gives up and takes the blindfold off. a different woman <sep> (A) joins the procession holding a blindfold in her hand. (B) walks in and stops near the pinata. (C) appears and places it around the boy's eyes. (D) comes and speaks to the camera while the boy continues to throw more balls across the field.
answer:
B


question:
[header] How to prepare grapefruit for serving [title] Cut the grapefruit horizontally at its center. [step] Take a large, sharp knife and cut the grapefruit horizontally into two halves. [substeps] If you are unsure where the top and bottom of the grapefruit are, find the two dots, or navels, on the grapefruit at opposite ends. <sep> (A) These are the outer halves of the grapefruit. Scrape off the center area of the grapefruit with your knife to separate it. (B) For quick and easy preparation, having a multifunction blender should actually do the trick. [title] Blend the grapefruit and other citrus juice together in a medium bowl. (C) These are the top and bottom of the grapefruit. Think of these dots as the " poles " of the grapefruit, like the poles of the earth. (D) These dots should either be on the inside of the grapefruit, or create a tilted triangle around one end. [title] Separate the grapefruit into two halves, sticky side up.
answer:

C