Assertion list for term "covered with gravel".

Results from Ascent++: 5
pipe ReceivesActioncovered with gravel 0.52
surface ReceivesActioncovered with gravel 0.52
drain ReceivesActioncovered with gravel 0.43
shark ReceivesActioncovered with gravel 0.28
membrane ReceivesActioncovered with gravel 0.16