Question: What singer replaced Diana Ross as the lead singer of The Supremes in January of 1970 and provided the lead vocals on the song "You Gotta Have Love in Your Heart" by the Supremes and the Four Tops?
Sentence (from "You Gotta Have Love in Your Heart"): The single fared better in the UK, where it reached #25 in the official top 50 single chart.
Relevant evidence: No