[Kevin] is always excited when his Uncle [Pedro] visits him. [Rebecca] loves hanging out with her uncle [Robert]. [Pedro] loves his daughter [Rebecca]. [Tracy] liked to play hide and seek with her son [Kevin].
('Tracy', 'Robert')
[Tracy] liked to play hide and seek with her son [Kevin]. [Kevin] is always excited when his Uncle [Pedro] visits him. [Pedro] loves his daughter [Rebecca]. [Rebecca] loves hanging out with her uncle [Robert].
[{('Tracy', 'brother', 'Robert'): [('Tracy', 'brother', 'Pedro'), ('Pedro', 'brother', 'Robert')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'son', 'Kevin'), ('Kevin', 'uncle', 'Pedro')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'uncle', 'Robert')]}]
['son', 'uncle', 'daughter', 'uncle']