In a certain code language,
A + B means 'A is the mother of B',
A - B means 'A is the father of B',
A × B means 'A is the husband of B' and
A ÷ B means 'A is the sister of B'.
Based on the above, how is Q related to L if 'Q × C + R ÷ G - L'?
1
Mother's father
2
Father's father
3
Father's son
4
Father's brother