[Pedro] took his wife [Dorothy] on a cruise for their anniversary. [James] and his sister [Cheryl] went to the movies to watch the newest superhero flick. [Rebecca] gave her brother [James] a new sweater for Christmas. [Rebecca] was excited for today, its her daughter's, [Dorothy], spring break. She will finally get to see her.
('Pedro', 'Cheryl')
[Pedro] took his wife [Dorothy] on a cruise for their anniversary. [Rebecca] was excited for today, its her daughter's, [Dorothy], spring break. She will finally get to see her. [Rebecca] gave her brother [James] a new sweater for Christmas. [James] and his sister [Cheryl] went to the movies to watch the newest superhero flick.
[{('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'wife', 'Dorothy'), ('Dorothy', 'daughter', 'Cheryl')]}, {('Dorothy', 'daughter', 'Cheryl'): [('Dorothy', 'son', 'James'), ('James', 'sister', 'Cheryl')]}, {('Dorothy', 'son', 'James'): [('Dorothy', 'daughter', 'Rebecca'), ('Rebecca', 'brother', 'James')]}]
['wife', 'daughter', 'brother', 'sister']