[Tracy] and [Beverly] are sisters who have one brother named [Robert]. [Michael]'s mother [Beverly] was present at the thanksgiving service. [Michael] and his sister [Jennifer] stood in line at the fair.
('Jennifer', 'Tracy')
[Michael] and his sister [Jennifer] stood in line at the fair. [Michael]'s mother [Beverly] was present at the thanksgiving service. [Tracy] and [Beverly] are sisters who have one brother named [Robert].
[{('Jennifer', 'aunt', 'Tracy'): [('Jennifer', 'mother', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}, {('Jennifer', 'mother', 'Beverly'): [('Jennifer', 'brother', 'Michael'), ('Michael', 'mother', 'Beverly')]}, {('Beverly', 'sister', 'Tracy'): [('Beverly', 'brother', 'Robert'), ('Robert', 'sister', 'Tracy')]}]
['brother', 'mother', 'brother', 'sister']