Sorry, the correct answer is:

b. A female friend she has known for many years

Again, this is extremely difficult from a photograph alone." When shown the IPT or IPT-15, the viewer gets to see facial expressions, hear the woman's tone of voice, listen to her words, and notice the animated quality of the conversation. The correct answer is "a female friend," and viewers felt that the woman's verbal and nonverbal behavior had many cues pointing toward this answer.