[Pedro] bought his sister [Beverly] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Beverly] took her father [Harold] to watch a movie together. [Harold] invited his daughter [Tracy] to dinner. [Bettie], who is Effie´s daughter also went with them.
('Pedro', 'Bettie')
[Pedro] bought his sister [Beverly] a video game for her birthday. She said it was her favorite game and gave him a big hug. [Beverly] took her father [Harold] to watch a movie together. [Harold] invited his daughter [Tracy] to dinner. [Bettie], who is Effie´s daughter also went with them.
[{('Pedro', 'niece', 'Bettie'): [('Pedro', 'sister', 'Tracy'), ('Tracy', 'daughter', 'Bettie')]}, {('Pedro', 'sister', 'Tracy'): [('Pedro', 'sister', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'father', 'Harold'), ('Harold', 'daughter', 'Tracy')]}]
['sister', 'father', 'daughter', 'daughter']