[Frances] took her grandson [Pete] a meal from McDonalds and his father [Francisco] took [Francisco]'s other son [Leonard] a pizza from Pizza Hut for dinner.
('Frances', 'Leonard')
[Frances] took her grandson [Pete] a meal from McDonalds and his father [Francisco] took [Francisco]'s other son [Leonard] a pizza from Pizza Hut for dinner.
[{('Frances', 'grandson', 'Leonard'): [('Frances', 'grandson', 'Pete'), ('Pete', 'brother', 'Leonard')]}, {('Pete', 'brother', 'Leonard'): [('Pete', 'father', 'Francisco'), ('Francisco', 'son', 'Leonard')]}]
['grandson', 'father', 'son']