[Lisa] asked her daughter, [Yvonne], if she would like to go to a movie with her on Saturday night. [Rose] planned a trip to the zoo for her brother, [Peter]. They had a great time. [Peter] took his daughter, [Yvonne], ice skating. [Peter]'s father, [Rudolph], watched them ice skate from the stands.
[Lisa] asked her daughter, [Yvonne], if she would like to go to a movie with her on Saturday night. [Peter] took his daughter, [Yvonne], ice skating. [Peter]'s father, [Rudolph], watched them ice skate from the stands.
[{('Lisa', 'father', 'Rudolph'): [('Lisa', 'daughter', 'Yvonne'), ('Yvonne', 'grandfather', 'Rudolph')]}, {('Yvonne', 'grandfather', 'Rudolph'): [('Yvonne', 'father', 'Peter'), ('Peter', 'father', 'Rudolph')]}]