Assertion: american cockroach | /r/AtLocation | drainage systems
Facets:
Source sentences:
text: They are found mainly in basements, sewers, steam tunnels, and drainage systems and they enter private residences from sewers, via the plumbing, and from trees and shrubs located alongside buildings or with branches overhanging roofs.
text: It is found mainly in basements, sewers, steam tunnels, and drainage systems (Rust et.