In a certain code language,

‘A + B’ means ‘A is the husband 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 son of B’

Based on the above, how is E related to C if ‘E ÷ F × D − C’?