Assertion: new libretto | /r/CapableOf | introduce several subsidiary characters
Facets:
value: following the example of euripides
type: OTHER
value: for dramatic variety
type: PURPOSE
Source sentences:
text: The new libretto does, however, introduce several subsidiary characters for dramatic variety, and, following the example of Euripides, on whose work the libretto is loosely based, even calls in Hercules in the final act.