[Tracy] and her brother [Joshua] were having a wonderful time at Disneyland. [Joshua] sent flowers to his mother [Katherine] for Mother's Day. [Tracy] is [Allan]'s first wife
('Allan', 'Katherine')
[Tracy] is [Allan]'s first wife [Tracy] and her brother [Joshua] were having a wonderful time at Disneyland. [Joshua] sent flowers to his mother [Katherine] for Mother's Day.
[{('Allan', 'mother-in-law', 'Katherine'): [('Allan', 'wife', 'Tracy'), ('Tracy', 'mother', 'Katherine')]}, {('Tracy', 'mother', 'Katherine'): [('Tracy', 'brother', 'Joshua'), ('Joshua', 'mother', 'Katherine')]}]