[Paul] took his son [Leo] out for ice cream. [Michelle] took her grandson [Leo] to the park. [Leo]'s brother [Robert] was already there.
[Michelle] took her grandson [Leo] to the park. [Leo]'s brother [Robert] was already there.
[{('Robert', 'grandmother', 'Michelle'): [('Robert', 'brother', 'Leo'), ('Leo', 'grandmother', 'Michelle')]}]