In a certain code language
A + B means ‘A is the mother of B’
A – B means ‘A is the brother of B’
A × B means ‘A is the husband of B’
A ÷ B means A is the father of B’
Based on the above, how is K related to L if ‘K × Q + R − S ÷ L’?
1
Father’s father
2
Father’s mother’s father
3
Father’s father’s brother
4
Father’s brother