Assertion: cow | /r/HasAspect | bse
Facets:
value: by looking at it
type: MANNER
value: by using test kits
type: MANNER
Source sentences:
text: During the incubation period, there is no way to tell that a cow has BSE by looking at it.
text: After a cow dies, scientists can tell if it had BSE by looking at its brain tissue under a microscope and seeing the spongy appearance.
text: Scientists can also tell if a cow had BSE by using test kits that can detect the abnormal prion in the brain.