Assertion list for term "remain clean".

Results from Ascent++: 6
radiator CapableOfremain clean 0.75
furniture CapableOfremain clean 0.49
lake CapableOfremain clean 0.47
river CapableOfremain clean 0.43
windshield CapableOfremain clean 0.22
water (aspect of lake) CapableOfremain clean 0.20