[James] 'daughter, [Lena], just made it into grad school. [Joshua] went shopping with his wife [Lynn]. [Lynn] and her sister [Lena] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while.
('James', 'Joshua')
[James] 'daughter, [Lena], just made it into grad school. [Lynn] and her sister [Lena] were getting together this weekend so that they could go hiking together they had n't spent time together alone in a while. [Joshua] went shopping with his wife [Lynn].
[{('James', 'son-in-law', 'Joshua'): [('James', 'daughter', 'Lynn'), ('Lynn', 'husband', 'Joshua')]}, {('James', 'daughter', 'Lynn'): [('James', 'daughter', 'Lena'), ('Lena', 'sister', 'Lynn')]}]
['daughter', 'sister', 'husband']