[James]'s grandson [Bobby] and [Bobby]'s brother [Brandon] all went to get pizza last night. [Johnson] went to the wedding ceremony for his brother [Brandon].
('Johnson', 'James')
[Johnson] went to the wedding ceremony for his brother [Brandon]. [James]'s grandson [Bobby] and [Bobby]'s brother [Brandon] all went to get pizza last night.
[{('Johnson', 'grandfather', 'James'): [('Johnson', 'brother', 'Bobby'), ('Bobby', 'grandfather', 'James')]}, {('Johnson', 'brother', 'Bobby'): [('Johnson', 'brother', 'Brandon'), ('Brandon', 'brother', 'Bobby')]}]
['brother', 'brother', 'grandfather']