Assertion: manatee | /r/CapableOf | keep storage canals
Facets:
Source sentences:
text: The main water treatment plant in Guyana has four manatees that keep storage canals clear of weeds; there are also some in the ponds of the national park in Georgetown, Guyana.
text: The main water treatment plant in Guyana has three manatees that keep storage canals clear of weeds.