Assertion: rib cage's rib | /r/HasProperty | attached in front
Facets:
value: by a costal cartilage
type: OTHER
value: to the sternum
type: TRANSITIVE-OBJECT
Source sentences:
text: In addition, ribs 1 through 7 are each attached in front to the sternum by a costal cartilage, and therefore called “true” ribs.