Question: The Alliance of Black Jews was an American organization that included, which Reconstructionist religion, that are people of mixed Jewish-African-American background, or African Americans who are both born Jewish and who have converted to Judaism?
Sentence (from "Alliance of Black Jews"): The figure, which included Black Hebrew Israelites (not recognized as Jews by mainstream Judaism), as well as Reform, Conservative, Orthodox and Reconstructionist African-American Jews by birth or conversion, was based in part on the 1990 Jewish Population Study, which gave figures ranging from 135,000 to 260,000, depending on the definition of a Jew.
Relevant evidence: Yes