[Marilyn]'s son [Victor] made a crayon drawing for [Emily], [Marilyn]'s mother. [Victor] took his favorite son [Edwin] to a baseball game where he caught a foul ball as a souvenir.
[Victor] took his favorite son [Edwin] to a baseball game where he caught a foul ball as a souvenir. [Marilyn]'s son [Victor] made a crayon drawing for [Emily], [Marilyn]'s mother.
[{('Edwin', 'mother', 'Emily'): [('Edwin', 'son', 'Victor'), ('Victor', 'grandmother', 'Emily')]}, {('Victor', 'grandmother', 'Emily'): [('Victor', 'mother', 'Marilyn'), ('Marilyn', 'mother', 'Emily')]}]