40. The multi-language communication system as claimed in claim 33 , wherein the principal language is selected based on the choices of language of the plurality of persons.
40. The multi-language communication system as claimed in claim 33 , wherein the principal language is selected based on the choices of language of the plurality of persons. 41. The multi-language communication system as claimed in claim 40 , wherein the principal language is a language indicated by a majority of the plurality of persons who have indicated the respective choice of language.