[Tracy] does n't like having to babysit her younger brother, [Louis]. [Tracy] called [Marie], her sister, to see if she wanted to go out to eat. [Pedro] and his daughter, [Heather] go to concerts every week. [Louis] wanted to get his brother [Pedro] a Christmas gift so he asked his mother what she thought he would like. She said he liked video games.
('Marie', 'Heather')
[Tracy] called [Marie], her sister, to see if she wanted to go out to eat. [Tracy] does n't like having to babysit her younger brother, [Louis]. [Louis] wanted to get his brother [Pedro] a Christmas gift so he asked his mother what she thought he would like. She said he liked video games. [Pedro] and his daughter, [Heather] go to concerts every week.
[{('Marie', 'niece', 'Heather'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Heather')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'brother', 'Louis'), ('Louis', 'brother', 'Pedro')]}]
['sister', 'brother', 'brother', 'daughter']