[Robert] taught his daughter, [Michelle], how to ride a bike. [Beverly]'s father, [Harold], took her to the park to play catch. [Harold]'s son, [Louis], wanted to play too so he went with them. [Robert]'s sister [Beverly] went as well and bought everyone ice cream.
('Michelle', 'Louis')
[Robert] taught his daughter, [Michelle], how to ride a bike. [Beverly]'s father, [Harold], took her to the park to play catch. [Harold]'s son, [Louis], wanted to play too so he went with them. [Robert]'s sister [Beverly] went as well and bought everyone ice cream.
[{('Michelle', 'uncle', 'Louis'): [('Michelle', 'father', 'Robert'), ('Robert', 'brother', 'Louis')]}, {('Robert', 'brother', 'Louis'): [('Robert', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}, {('Robert', 'father', 'Harold'): [('Robert', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}]
['father', 'sister', 'father', 'son']