Question: Dark Girls is a 2012 documentary film by American filmmakers Bill Duke and D. Channsin Berry, it also reports on a new version of the 1940s black doll experiment by who, which were African-American psychologists who as a married team conducted important research among children and were active in the Civil Rights Movement?
Sentence (from "Dark Girls"): It documents colorism based on skin tone among African Americans, a subject still considered taboo by many black Americans.
Relevant evidence: No