Examine the following two statements about language, and discuss the similarities and differences between them. Do you agree with the two statements? Explain your answer. (1) Sapir (1921; Language): 'Language is a purely human and non-instinctive method of communicating ideas, emotions and desires by means of voluntarily produced symbols. (p.8). (2) Bloch and Trager (1942; Outline of Linguistic Analysis) : 'A language is a system of arbitrary vocal symbols by means of which a social group co-operates. ' (p. 5).