[Lynn] was making lunch for her husband, [Joshua], while he was playing with his daughter [Andrea]. [Lynn] and her sister [David] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
('David', 'Andrea')
[Lynn] and her sister [David] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Lynn] was making lunch for her husband, [Joshua], while he was playing with his daughter [Andrea].
[{('David', 'niece', 'Andrea'): [('David', 'sister', 'Lynn'), ('Lynn', 'daughter', 'Andrea')]}, {('Lynn', 'daughter', 'Andrea'): [('Lynn', 'husband', 'Joshua'), ('Joshua', 'daughter', 'Andrea')]}]
['sister', 'husband', 'daughter']