[Cheryl]'s brother [Keith] and sister [Glenda] are great chefs. [Keith] learned from his father, [Rich]
('Glenda', 'Rich')
[Cheryl]'s brother [Keith] and sister [Glenda] are great chefs. [Keith] learned from his father, [Rich]
[{('Glenda', 'father', 'Rich'): [('Glenda', 'sister', 'Cheryl'), ('Cheryl', 'father', 'Rich')]}, {('Cheryl', 'father', 'Rich'): [('Cheryl', 'brother', 'Keith'), ('Keith', 'father', 'Rich')]}]