claim: Telephone consists of an expanded hook.
evidence: Carl Chang may refer to  :. Carl Chang -LRB- tennis -RRB- , -LRB- born 1969 , in Hoboken , New Jersey , USA -RRB- the older brother and former coach of tennis player , Michael Chang. Carl Chang -LRB- computer scientist -RRB- , Professor and Chair of the Department of Computer Science at Iowa State University