Assertion: castle's owner | /r/CapableOf | keep eye
Facets:
value: on one of the routes
type: LOCATION
Source sentences:
text: From this position, the owners of the Fleckenstein Castle were able to keep an eye on one of the routes connecting the regions of Alsace and Lorraine, and to protect the town of Haguenau, where Frederick Barbarossa had established an imperial palace.