[William] took his son [Andrew] to play at the park, and [Andrew]'s paternal grandmother [Emily] tagged along. [Marvin] was so happy for his brother, [William], getting a promotion.
[Marvin] was so happy for his brother, [William], getting a promotion. [William] took his son [Andrew] to play at the park, and [Andrew]'s paternal grandmother [Emily] tagged along.
[{('Marvin', 'mother', 'Emily'): [('Marvin', 'brother', 'William'), ('William', 'mother', 'Emily')]}, {('William', 'mother', 'Emily'): [('William', 'son', 'Andrew'), ('Andrew', 'grandmother', 'Emily')]}]