[Lois] is a sister of [Jacob]. [Mary]'s son, [Jacob], recently started a pawn shop.
('Mary', 'Lois')
[Mary]'s son, [Jacob], recently started a pawn shop. [Lois] is a sister of [Jacob].
[{('Mary', 'daughter', 'Lois'): [('Mary', 'son', 'Jacob'), ('Jacob', 'sister', 'Lois')]}]