Assertion: coloratura contralto | /r/CapableOf | blur line
Facets:
value: between female
type: LOCATION
value: tonally
type: DEGREE
value: between male
type: LOCATION
Source sentences:
text: The coloratura contralto is by far the most challenging of all the contralto subcategories, as the pyrotechnical demands are not only expected of the singer, but also the ability to blur the lines tonally between male and female.