A & B means 'A is the son of B'

A # B means 'A is the sister of B'

A @ B means 'A is the brother of B'

A % B means 'A is the father of B'

A - B means 'A is the daughter of B'

A * B means 'A is the wife of B'

If C # D @ E % Z & L # M - N * P, then how is E related to L?