Assertion: trachea's cartilage | /r/HasProperty | stacked on top of the other
Facets:
Source sentences:
text: These C-shaped cartilages are stacked one on top of the other and are open at the area where the trachea is nearest the esophagus, which leads from the throat to the stomach.
text: These C-shaped cartilages are stacked one on top of the other and are open at the area where the trachea is nearest to the oesophagus.