School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Niavaran, Tehran, Iran.|Computer Science and AI Lab (CSAIL), MIT, Cambridge, Massachusetts, United States of America.|School of Cognitive Sciences (SCS), Institute for Research in Fundamental Sciences (IPM), Niavaran, Tehran, Iran.|Computer Science and AI Lab (CSAIL), MIT, Cambridge, Massachusetts, United States of America.