##### Gate1997_1.6

In the following grammar

X::=$X \oplus {Y \over Z }$
Y::=$Z \oplus {Y \over Z }$

Z::=id

Which of the following is true?
(a) ‘$\oplus$’ is left associative while ‘*’ is right associative
(b) Both ‘$\oplus$’ and ‘*’ is left associative
(c) ‘$\oplus$’ is right associative while ‘*’ is left associative
(d) None of the above