Assertion: fingermark's residue | /r/CapableOf | create contrast
Facets:
value: between the surface
type: LOCATION
value: between the print
type: OTHER
Source sentences:
text: According to Scientific Evidence, the first major obstacle is finding the print since the oily residue left by fingers that creates the fingerprint itself is often present on human skin, making it difficult to create a contrast between the surface (skin) and the print.