[Robert] taught his daughter, [Elsie], how to ride a bike. [Allan] and his sister [Elsie] were hoping for a snow day. [Antonio] went his brother to pick up his brother's daughter [Elsie] from a birthday party. [Robert] decided to take his daughter [Elsie] to Disneyworld.
('Allan', 'Antonio')
[Allan] and his sister [Elsie] were hoping for a snow day. [Robert] taught his daughter, [Elsie], how to ride a bike. [Robert] decided to take his daughter [Elsie] to Disneyworld. [Antonio] went his brother to pick up his brother's daughter [Elsie] from a birthday party.
[{('Allan', 'uncle', 'Antonio'): [('Allan', 'father', 'Robert'), ('Robert', 'brother', 'Antonio')]}, {('Allan', 'father', 'Robert'): [('Allan', 'sister', 'Elsie'), ('Elsie', 'father', 'Robert')]}, {('Robert', 'brother', 'Antonio'): [('Robert', 'daughter', 'Elsie'), ('Elsie', 'uncle', 'Antonio')]}]
['sister', 'father', 'daughter', 'uncle']