Which emotion is NOT easily identified from facial cues in photographs,according to research by Paul Ekman and Wallace Friesen

A)  anger 
B)  happiness 
C)  sympathy 
D)  fear

Facial Cues

Visual signals conveyed through facial expressions that communicate emotions, intentions, or social information.

Paul Ekman

An American psychologist known for his work on the facial expressions of emotions and their correlation with human feelings.

Sympathy

Feelings of pity and sorrow for someone else's misfortune.