[Rebecca] has an aunt named [Tracy] [Cheryl] and her sister [Rebecca] went out to eat with [Cheryl]'s father, [Pedro]. [Pedro] is the loving father of his wonderful child [Cheryl]. [Cheryl] loves [Pedro].
('Cheryl', 'Tracy')
[Pedro] is the loving father of his wonderful child [Cheryl]. [Cheryl] loves [Pedro]. [Cheryl] and her sister [Rebecca] went out to eat with [Cheryl]'s father, [Pedro]. [Rebecca] has an aunt named [Tracy]
[{('Cheryl', 'aunt', 'Tracy'): [('Cheryl', 'father', 'Pedro'), ('Pedro', 'sister', 'Tracy')]}, {('Pedro', 'sister', 'Tracy'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'aunt', 'Tracy')]}, {('Pedro', 'daughter', 'Rebecca'): [('Pedro', 'daughter', 'Cheryl'), ('Cheryl', 'sister', 'Rebecca')]}]
['father', 'daughter', 'sister', 'aunt']