Assertion: trachea's structure | /r/HasProperty | tubular
Facets:
Source sentences:
text: Trachea and esophagus are two tubular structures found in the neck region of humans.
text: Both trachea and esophagus are two tubular structures in the neck region of humans.
text: Trachea and esophagus are two tubular structures that occur in the neck region of humans.
text: Trachea and esophagus are two tubular structures found in the neck region of humans.