[Andrea]'s husband, [John], was busy making dinner when his mom, [Lillian], showed up unannounced
('Andrea', 'Lillian')
[Andrea]'s husband, [John], was busy making dinner when his mom, [Lillian], showed up unannounced
[{('Andrea', 'mother-in-law', 'Lillian'): [('Andrea', 'husband', 'John'), ('John', 'mother', 'Lillian')]}]
['husband', 'mother']