[Bobby] sent flowers to his mother [David] for Mother's Day. [David] and her brother [Wesley] were having a wonderful time at Disneyland. [Wesley] and his father [James] played video games all day last Saturday.
('Bobby', 'James')
[Bobby] sent flowers to his mother [David] for Mother's Day. [David] and her brother [Wesley] were having a wonderful time at Disneyland. [Wesley] and his father [James] played video games all day last Saturday.
[{('Bobby', 'grandfather', 'James'): [('Bobby', 'mother', 'David'), ('David', 'father', 'James')]}, {('David', 'father', 'James'): [('David', 'brother', 'Wesley'), ('Wesley', 'father', 'James')]}]
['mother', 'brother', 'father']