Assertion: knee | /r/HasAspect | two ligament in the center
Facets:
value: in the center
type: LOCATION
Source sentences:
text: It not as constrained as the hip or ankle, and has more components including two ligament in the center (ACL and PCL) and two cartilage rings (medial and lateral menisci), in addition to ligaments on the sides (MCL and LCL).