inputs: hypothesis: Cairo is situated in Egypt. premise: The alleged mastermind behind the London bombings was reported captured in Cairo, Egypt last week. Police believe that a U.S. trained chemist, Magdi Asdi el-Nashar, 33, helped build the bombs that killed over 50 people. Mr. el-Nashar, who has a PhD from Leeds University, left England two weeks before the bombings. After the London bombings, British authorities initiated a worldwide manhunt that found him in Cairo. State security officials reported they have begun questioning el-Nashar with British agents in attendance.