[Pete]'s mother [Cindy] baked brownies for dessert after they had dinner. [Francisco] was delighted to watch his son [Pete] steal third base in the Championship baseball game. [Cindy] likes taking her son [Leonard] to school.
('Francisco', 'Leonard')
[Francisco] was delighted to watch his son [Pete] steal third base in the Championship baseball game. [Pete]'s mother [Cindy] baked brownies for dessert after they had dinner. [Cindy] likes taking her son [Leonard] to school.
[{('Francisco', 'son', 'Leonard'): [('Francisco', 'son', 'Pete'), ('Pete', 'brother', 'Leonard')]}, {('Pete', 'brother', 'Leonard'): [('Pete', 'mother', 'Cindy'), ('Cindy', 'son', 'Leonard')]}]
['son', 'mother', 'son']