[Robert] went with his nephew [Samuel] to the gas station, they both had to use the men's restroom. [Michelle] and [Allan] had a picnic at the park. They had sandwiches and salad. [Louis] does not know he has a son named [Samuel]. [Robert] was so proud that his son [Allan] won the science fair!
('Louis', 'Michelle')
[Louis] does not know he has a son named [Samuel]. [Robert] went with his nephew [Samuel] to the gas station, they both had to use the men's restroom. [Robert] was so proud that his son [Allan] won the science fair! [Michelle] and [Allan] had a picnic at the park. They had sandwiches and salad.
[{('Louis', 'niece', 'Michelle'): [('Louis', 'brother', 'Robert'), ('Robert', 'daughter', 'Michelle')]}, {('Robert', 'daughter', 'Michelle'): [('Robert', 'son', 'Allan'), ('Allan', 'sister', 'Michelle')]}, {('Louis', 'brother', 'Robert'): [('Louis', 'son', 'Samuel'), ('Samuel', 'uncle', 'Robert')]}]
['son', 'uncle', 'son', 'sister']