Assertion: gopher | /r/CapableOf | travel through the tunnel
Facets:
Source sentences:
text: When the gopher travels through the tunnel and makes contact with the trigger, the spikes are released and shoot down into the tunnel and pierce the gopher.
text: They have sensitive facial whiskers and tail hairs that help them navigate through their tunnels whether moving forward or backward, and they have lips that they can close behind their four incisor teeth and keep dirt out of their mouths when they are digging.