Assertion: flea | /r/HasProperty | difficult
Facets:
value: to irradiate
type: PURPOSE
value: extremely
type: DEGREE
value: notoriously
type: DEGREE
Source sentences:
text: Fleas are also difficult to get rid of because they can not only thrive on an animal host but also can survive for quite some time away from the host.
text: Fleas are notoriously difficult to get rid of, which is why enlisting the help of a professional is recommended.
text: Once established in carpets, furniture and bedding, fleas can be extremely difficult to irradiate, sometimes requiring professional extermination.