[Michael] has a sister who has a son. The son is named [Antonio]. [Michael] and his brother [Samuel] are looking for a good gift for [Samuel]'s mother [Beverly]. [Antonio] is a sibling of [Pedro].
('Beverly', 'Pedro')
[Michael] and his brother [Samuel] are looking for a good gift for [Samuel]'s mother [Beverly]. [Michael] has a sister who has a son. The son is named [Antonio]. [Antonio] is a sibling of [Pedro].
[{('Beverly', 'brother', 'Pedro'): [('Beverly', 'brother', 'Antonio'), ('Antonio', 'brother', 'Pedro')]}, {('Beverly', 'brother', 'Antonio'): [('Beverly', 'son', 'Michael'), ('Michael', 'uncle', 'Antonio')]}, {('Beverly', 'son', 'Michael'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'brother', 'Michael')]}]
['son', 'brother', 'uncle', 'brother']