Assertion: mole's tunneling | /r/HasProperty | constant
Facets:
Source sentences:
text: Their constant tunneling underneath lawns and fields can cause extensive damage to the roots of grass and other plants; they leave behind unsightly mounds and create golf ball sized openings all over the lawns that they are invading.
text: Moles do not eat plants, roots or vegetables, however, their constant tunneling will disrupt the root system of nearby grass and plants causing them to die.