[Joshua], who is [Frances]'s son, is in the hospital, so [Lynn], [Joshua]'s wife, and [Lynn]'s daughter, called [Andrea], are going to visit [Joshua].
('Frances', 'Andrea')
[Joshua], who is [Frances]'s son, is in the hospital, so [Lynn], [Joshua]'s wife, and [Lynn]'s daughter, called [Andrea], are going to visit [Joshua].
[{('Frances', 'granddaughter', 'Andrea'): [('Frances', 'son', 'Joshua'), ('Joshua', 'daughter', 'Andrea')]}, {('Joshua', 'daughter', 'Andrea'): [('Joshua', 'wife', 'Lynn'), ('Lynn', 'daughter', 'Andrea')]}]
['son', 'wife', 'daughter']