[Harold] is taking his son [Robert] on a camping trip for the weekend. [Kevin] took a vacation from his job to visit his mother [Tracy] across the country for Mother's Day. [Harold] does not know he has a son named [Pedro]. [Tracy] and her brother [Robert] were having a wonderful time at Disneyland.
('Kevin', 'Pedro')
[Kevin] took a vacation from his job to visit his mother [Tracy] across the country for Mother's Day. [Tracy] and her brother [Robert] were having a wonderful time at Disneyland. [Harold] is taking his son [Robert] on a camping trip for the weekend. [Harold] does not know he has a son named [Pedro].
[{('Kevin', 'uncle', 'Pedro'): [('Kevin', 'mother', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Tracy', 'brother', 'Pedro'): [('Tracy', 'brother', 'Robert'), ('Robert', 'brother', 'Pedro')]}, {('Robert', 'brother', 'Pedro'): [('Robert', 'father', 'Harold'), ('Harold', 'son', 'Pedro')]}]
['mother', 'brother', 'father', 'son']