7. Rewrite the following BNF grammar using the form of EBNF. Make the reculting grammar as short as possible (fewest rules). Note: It is possible to replace all eight BNF rules with a single EBNF rule. do l do catch-clauses> I catch I catch 8. Write a denotational semantics mapping function for the Java do statement. 7. Rewrite the following BNF grammar using the form of EBNF. Make the reculting grammar as short as possible (fewest rules). Note: It is possible to replace all eight BNF rules with a single EBNF rule. do l do catch-clauses> I catch I catch 8. Write a denotational semantics mapping function for the Java do statement