Assertion: prologue | /r/CapableOf | serve the critic
Facets:
value: for an opportunity
type: PURPOSE
Source sentences:
text: First, it is well known that the prologue serves the critic for an opportunity to try his faculty of hissing, and to tune his cat-call to the best advantage; by which means, I have known those musical instruments so well prepared, that they have been able to play in full concert at the first rising of the curtain.