[John] invited his daughter [Tracy] to go shopping. [Tracy]'s grandmother [Latisha] stayed at home sick. [Latisha] took her son [Rich] to the park for the afternoon.
('John', 'Rich')
[John] invited his daughter [Tracy] to go shopping. [Tracy]'s grandmother [Latisha] stayed at home sick. [Latisha] took her son [Rich] to the park for the afternoon.
[{('John', 'brother', 'Rich'): [('John', 'mother', 'Latisha'), ('Latisha', 'son', 'Rich')]}, {('John', 'mother', 'Latisha'): [('John', 'daughter', 'Tracy'), ('Tracy', 'grandmother', 'Latisha')]}]