Assertion: prince | /r/CapableOf | persuade their still-vigorous father
Facets:
value: to undertake a campaign
type: PURPOSE
value: according to henry’s enthusiastic biographer
type: OTHER
Source sentences:
text: According to Henry’s enthusiastic biographer, Gomes Eanes de Zurara , the three princes persuaded their still-vigorous father to undertake a campaign that would enable them to win their knightly spurs in genuine combat instead of in the mock warfare of a tournament.