[Lynn]'s son [Thomas] was terribly ill. [Joseph] asked [Lynn] if [Thomas] was going to die, and [Lynn] said no. [Joseph] was relieved, as was [Joseph]'s sister, [Dolores].
('Dolores', 'Thomas')
[Lynn]'s son [Thomas] was terribly ill. [Joseph] asked [Lynn] if [Thomas] was going to die, and [Lynn] said no. [Joseph] was relieved, as was [Joseph]'s sister, [Dolores].
[{('Dolores', 'brother', 'Thomas'): [('Dolores', 'brother', 'Joseph'), ('Joseph', 'brother', 'Thomas')]}, {('Joseph', 'brother', 'Thomas'): [('Joseph', 'mother', 'Lynn'), ('Lynn', 'son', 'Thomas')]}]
['brother', 'mother', 'son']