Question: Who attacked American Airlines Flight 444, in a nationwide bombing campaign that targeted people involved with modern technology?
Sentence (from "Hamburg cell"): The Hamburg cell (German: "Hamburger Zelle" ) or Hamburg terror cell (German: "Hamburger Terrorzelle" ) was, according to U.S. and German intelligence agencies, a group of radical Islamists based in Hamburg, Germany that included students who eventually came to be key operatives in the 9/11 attacks.
Relevant evidence: No