The conversation between human and AI assistant.
[|Human|] Given this paragraph about Michel Warschawski, tell me the two organizations that Warschawski led during his life.
[|AI|] Michel Warschawski, an anti-Zionist activist, led the Marxist Revolutionary Communist League and later the Alternative Information Center.
[|Human|] 
Given this paragraph about Michel Warschawski, tell me the two organizations that Warschawski led during his life.