[Cheryl] loves her brother [James]. [Jeffrey] was excited to surprise his wife [Annie] with tickets to her favorite musician's concert. [Cheryl] and her brother [Jeffrey] went to the basketball game and had a great time. [James] went to the park with his father, [Pedro].
('Annie', 'Pedro')
[Jeffrey] was excited to surprise his wife [Annie] with tickets to her favorite musician's concert. [Cheryl] and her brother [Jeffrey] went to the basketball game and had a great time. [Cheryl] loves her brother [James]. [James] went to the park with his father, [Pedro].
[{('Annie', 'father-in-law', 'Pedro'): [('Annie', 'husband', 'Jeffrey'), ('Jeffrey', 'father', 'Pedro')]}, {('Jeffrey', 'father', 'Pedro'): [('Jeffrey', 'sister', 'Cheryl'), ('Cheryl', 'father', 'Pedro')]}, {('Cheryl', 'father', 'Pedro'): [('Cheryl', 'brother', 'James'), ('James', 'father', 'Pedro')]}]
['husband', 'sister', 'brother', 'father']