Multi-select problem: How does the next paragraph end?

How to be sensitive to other people's feelings
Pay attention to the person's face.
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.

Available options:
(I) 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..
(II) It should be straightforward and minimal to interpret, but it should look genuinely concerned and sincere. Consider the person's age and social status when determining how to affect their facial expressions..
(III) 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..
(IV) 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..
(I)