[Randall] and his sister [Cathy] went out for ice cream. [Sarah] and her mother [Lisa] went to the mall to try on new clothes. [Sarah] has a daughter named [Cathy] [Randall] has a few children, [Dennis], Bradley and Claire [Cathy] wanted to visit an art museum, so she asked her father, [Dennis] to take her.
[Cathy] wanted to visit an art museum, so she asked her father, [Dennis] to take her. [Sarah] and her mother [Lisa] went to the mall to try on new clothes. [Sarah] has a daughter named [Cathy]
[{('Dennis', 'mother', 'Lisa'): [('Dennis', 'daughter', 'Cathy'), ('Cathy', 'grandmother', 'Lisa')]}, {('Cathy', 'grandmother', 'Lisa'): [('Cathy', 'mother', 'Sarah'), ('Sarah', 'mother', 'Lisa')]}]