With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marshall McLuhan taught at a University.
text_B: Herbert Marshall McLuhan , -LRB- July 21 , 1911 -- December 31 , 1980 -RRB- was a Canadian professor , philosopher , and public intellectual .. public intellectual. public intellectual. His work is viewed as one of the cornerstones of the study of media theory , as well as having practical applications in the advertising and television industries .. media theory. media studies. He was educated at the University of Manitoba and the University of Cambridge ; he began his teaching career as a Professor of English at several universities in the U.S. and Canada before moving to the University of Toronto , where he remained for the rest of his life .. Toronto. Toronto. University of Manitoba. University of Manitoba. University of Cambridge. University of Cambridge. University of Toronto. University of Toronto. McLuhan is known for coining the expression `` the medium is the message '' and the term global village , and for predicting the World Wide Web almost thirty years before it was invented .. global village. global village ( term ). the medium is the message. the medium is the message. World Wide Web. World Wide Web. He was a fixture in media discourse in the late 1960s , though his influence began to wane in the early 1970s .. In the years after his death , he continued to be a controversial figure in academic circles .. With the arrival of the internet , however , interest has renewed in his work and perspective .
related.