[Mario] is a man with a son named [Robert]. [Mario] and his father [Robert] went to town for some supplies. While in town they ran into [Robert]'s brother, [Louis]. [Robert] is a man with a wife named [Marie].
('Marie', 'Louis')
[Robert] is a man with a wife named [Marie]. [Mario] is a man with a son named [Robert]. [Mario] and his father [Robert] went to town for some supplies. While in town they ran into [Robert]'s brother, [Louis].
[{('Marie', 'brother', 'Louis'): [('Marie', 'son', 'Mario'), ('Mario', 'uncle', 'Louis')]}, {('Marie', 'son', 'Mario'): [('Marie', 'husband', 'Robert'), ('Robert', 'son', 'Mario')]}, {('Mario', 'uncle', 'Louis'): [('Mario', 'father', 'Robert'), ('Robert', 'brother', 'Louis')]}]
['husband', 'son', 'father', 'brother']