[Frances] is [Johnson]'s grandmother [Bobby]'s father, [Hugh], bought him some ice cream. [Hugh] loved teaching his son, [Johnson], baseball.
('Bobby', 'Frances')
[Bobby]'s father, [Hugh], bought him some ice cream. [Hugh] loved teaching his son, [Johnson], baseball. [Frances] is [Johnson]'s grandmother
[{('Bobby', 'grandmother', 'Frances'): [('Bobby', 'brother', 'Johnson'), ('Johnson', 'grandmother', 'Frances')]}, {('Bobby', 'brother', 'Johnson'): [('Bobby', 'father', 'Hugh'), ('Hugh', 'son', 'Johnson')]}]
['father', 'son', 'grandmother']