[Keith] and his sister, [Cheryl], went shopping. [Cheryl] asked her mom [Michelle] if she wanted anything, but [Michelle] said no. [Dale] asked his brother [Keith] to help him fix his car and he said he would after he got off work.
('Dale', 'Michelle')
[Dale] asked his brother [Keith] to help him fix his car and he said he would after he got off work. [Keith] and his sister, [Cheryl], went shopping. [Cheryl] asked her mom [Michelle] if she wanted anything, but [Michelle] said no.
[{('Dale', 'mother', 'Michelle'): [('Dale', 'sister', 'Cheryl'), ('Cheryl', 'mother', 'Michelle')]}, {('Dale', 'sister', 'Cheryl'): [('Dale', 'brother', 'Keith'), ('Keith', 'sister', 'Cheryl')]}]