[Marilyn]'s son [Jeremy] made a crayon drawing for [Emily], [Marilyn]'s mother. [Jeremy] and his son [Edwin] went to look at cars. [Jeremy] ended up buying the Mustang.
[Jeremy] and his son [Edwin] went to look at cars. [Jeremy] ended up buying the Mustang. [Marilyn]'s son [Jeremy] made a crayon drawing for [Emily], [Marilyn]'s mother.
[{('Edwin', 'mother', 'Emily'): [('Edwin', 'son', 'Jeremy'), ('Jeremy', 'grandmother', 'Emily')]}, {('Jeremy', 'grandmother', 'Emily'): [('Jeremy', 'mother', 'Marilyn'), ('Marilyn', 'mother', 'Emily')]}]