[Keith] and his brother [Dale] like to go to the movies every weekend. [Cheryl] has started to accompany her brother [Dale] to the movies whenever he goes. [Michelle] is [Keith]'s mother. She takes very good care of him.
('Cheryl', 'Michelle')
[Keith] and his brother [Dale] like to go to the movies every weekend. [Cheryl] has started to accompany her brother [Dale] to the movies whenever he goes. [Michelle] is [Keith]'s mother. She takes very good care of him.
[{('Cheryl', 'mother', 'Michelle'): [('Cheryl', 'brother', 'Keith'), ('Keith', 'mother', 'Michelle')]}, {('Cheryl', 'brother', 'Keith'): [('Cheryl', 'brother', 'Dale'), ('Dale', 'brother', 'Keith')]}]