[Keith] needed his brother, [Dale], to help with a problem [Michelle] sat anxiously in the airport terminal, waiting to see her son [Keith] walk through the gate. [Rich] took the kids to a babysitter so he could have a great date with his wife, [Michelle].
('Rich', 'Dale')
[Rich] took the kids to a babysitter so he could have a great date with his wife, [Michelle]. [Michelle] sat anxiously in the airport terminal, waiting to see her son [Keith] walk through the gate. [Keith] needed his brother, [Dale], to help with a problem
[{('Rich', 'son', 'Dale'): [('Rich', 'son', 'Keith'), ('Keith', 'brother', 'Dale')]}, {('Rich', 'son', 'Keith'): [('Rich', 'wife', 'Michelle'), ('Michelle', 'son', 'Keith')]}]