[Tracy] and [Dorothy] took [Tracy]'s daughter [Emma] to their family's land in Germany for a summer vacation. [Robert] and his sister [Dorothy] are going for a walk. [Harold] is an engineer who loves to take his son [Robert] to the science museum to help him learn about the world
('Harold', 'Emma')
[Harold] is an engineer who loves to take his son [Robert] to the science museum to help him learn about the world [Robert] and his sister [Dorothy] are going for a walk. [Tracy] and [Dorothy] took [Tracy]'s daughter [Emma] to their family's land in Germany for a summer vacation.
[{('Harold', 'granddaughter', 'Emma'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'daughter', 'Emma')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Tracy')]}, {('Robert', 'sister', 'Tracy'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Tracy')]}]
['son', 'sister', 'sister', 'daughter']