Q1. [10] The switch statement in C language has the following format. switch(expression) \{ case constant-expression: statement(s); break; / optional */ / you can have any number of case statements */ default: / optional */ statements(s); Write an Extended Backus Naur Form (EBNF) description for a switch statement, using the following nonterminals . specifies the switch statement abstraction specifies an expression, specifies a constant-expression, specifies a list of statements. switch, case, break, default: keywords in C