[April] always loved when her grandmother [Ashley] visited, because she always got presents. [April] and her sister [Andrea] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
('Andrea', 'Ashley')
[April] and her sister [Andrea] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [April] always loved when her grandmother [Ashley] visited, because she always got presents.
[{('Andrea', 'grandmother', 'Ashley'): [('Andrea', 'sister', 'April'), ('April', 'grandmother', 'Ashley')]}]
['sister', 'grandmother']