[Jerry] has a happy life. He loves his family, even when he fights sometimes with them. [Andrea] is the sister of [Jerry], and he usually gets along with her, however, [Jerry] is also the brother of [April], and they fight every now and then.
('April', 'Andrea')
[Jerry] has a happy life. He loves his family, even when he fights sometimes with them. [Andrea] is the sister of [Jerry], and he usually gets along with her, however, [Jerry] is also the brother of [April], and they fight every now and then.
[{('April', 'sister', 'Andrea'): [('April', 'brother', 'Jerry'), ('Jerry', 'sister', 'Andrea')]}]
['brother', 'sister']