Assertion: cockle | /r/HasProperty | difficult to get
Facets:
value: because of their habit
type: CAUSE
value: found on the east coast
type: LOCATION
Source sentences:
text: Scallops are also used for food nationwide, but not cockles: they are more difficult to get than in Europe because of their habit of being farther out in the tide than European species on the West Coast, and on the East Coast they are often found in salt marshes and mudflats where mosquitoes are abundant.