1-Define syntax and semantics. 2-Using the following grammar show a parse tree and a leftmost derivation for the statement: X = X * (y + (z * x)) Grammar: = - X | Y | Z - + 1 * 1 ( ) | 3-Using the following grammar show a parse tree and a leftmost derivation for the statement: A = (A + B) * C Grammar: = - A B C + 1 - * - ( )