[John] is so proud of his son. [Allan] is the son's name. [Scott] watched his daughter, [Katherine], teach a class as her husband, [John], stood by.\
('Scott', 'Allan')
[Scott] watched his daughter, [Katherine], teach a class as her husband, [John], stood by.\ [John] is so proud of his son. [Allan] is the son's name.
[{('Scott', 'grandson', 'Allan'): [('Scott', 'daughter', 'Katherine'), ('Katherine', 'son', 'Allan')]}, {('Katherine', 'son', 'Allan'): [('Katherine', 'husband', 'John'), ('John', 'son', 'Allan')]}]