You will be given a definition of a task first, then some input of the task.
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".

[header] How to be sensitive to other people's feelings [title] Pay attention to the person's face. [step] The face is the part of the body that is most likely to show emotions. If you're trying to determine whether someone is sad, upset, lonely or otherwise in pain, start by looking closely at the person's facial expression. <sep> (A) [substeps] Unlike some social cues, the seven basic facial expressions are said to be universal in expression across all cultures. These expressions are joy, surprise, contempt, anger, disgust, sadness, and fear. (B) It should be straightforward and minimal to interpret, but it should look genuinely concerned and sincere. [substeps] Consider the person's age and social status when determining how to affect their facial expressions. (C) [substeps] Since facial expressions often associated with sadness are often confused with feelings, scanning faces may help you find something more. Try to check where the emotion comes from. (D) If you feel like you're going to cry if you look at them, look out for the emotion they display. If they look upset, it may be of the emotional kind.
Output:
A