Assertion: mother's son | /r/HasProperty | sorrow
Facets:
value: to his mother
type: TRANSITIVE-OBJECT
Source sentences:
text: A wise son makes a glad father, but a foolish son is a sorrow to his mother.
text: A wise son makes a glad father, but a foolish son is a sorrow to his mother.
text: A wise son makes a glad father, but a foolish son is a sorrow to his mother.
text: A wise son makes a glad father, but a foolish son is a sorrow to his mother.