[James] took his son [Joshua] to batting practice with his baseball team, but had to leave him there alone for an hour to pick up his daughter [Lena]. [Lena] and her daughter [Tina] went shopping together last Monday and they bought new shoes for [Lena]'s kids.
('Tina', 'Joshua')
[Lena] and her daughter [Tina] went shopping together last Monday and they bought new shoes for [Lena]'s kids. [James] took his son [Joshua] to batting practice with his baseball team, but had to leave him there alone for an hour to pick up his daughter [Lena].
[{('Tina', 'uncle', 'Joshua'): [('Tina', 'mother', 'Lena'), ('Lena', 'brother', 'Joshua')]}, {('Lena', 'brother', 'Joshua'): [('Lena', 'father', 'James'), ('James', 'son', 'Joshua')]}]
['mother', 'father', 'son']