[Louis]'s son, [Samuel], was ill and needed to be picked up at school. [Louis] hurried to his side. [Louis] and his brother [Robert] went to the carnival. [Robert] wanted to ride the Ferris wheel, but [Louis] insisted they go on the bumper cars first. [Tracy] is always around her brother [Robert]. [Samuel] was glad his aunt [Dorothy] could visit for a while
('Tracy', 'Dorothy')
[Tracy] is always around her brother [Robert]. [Louis] and his brother [Robert] went to the carnival. [Robert] wanted to ride the Ferris wheel, but [Louis] insisted they go on the bumper cars first. [Louis]'s son, [Samuel], was ill and needed to be picked up at school. [Louis] hurried to his side. [Samuel] was glad his aunt [Dorothy] could visit for a while
[{('Tracy', 'sister', 'Dorothy'): [('Tracy', 'brother', 'Louis'), ('Louis', 'sister', 'Dorothy')]}, {('Louis', 'sister', 'Dorothy'): [('Louis', 'son', 'Samuel'), ('Samuel', 'aunt', 'Dorothy')]}, {('Tracy', 'brother', 'Louis'): [('Tracy', 'brother', 'Robert'), ('Robert', 'brother', 'Louis')]}]
['brother', 'brother', 'son', 'aunt']