[Michelle] and her husband are taking their sons to lunch. [Keith] is going with his father, [Rich] and [Michelle] is taking [Dale].
('Dale', 'Keith')
[Michelle] and her husband are taking their sons to lunch. [Keith] is going with his father, [Rich] and [Michelle] is taking [Dale].
[{('Dale', 'brother', 'Keith'): [('Dale', 'mother', 'Michelle'), ('Michelle', 'son', 'Keith')]}, {('Michelle', 'son', 'Keith'): [('Michelle', 'husband', 'Rich'), ('Rich', 'son', 'Keith')]}]