Assertion: frank's food | /r/CapableOf | enter the esophagus
Facets:
Source sentences:
text: At the same time, two other things happen: A muscular valve at the bottom of the pharynx opens, allowing food to enter the esophagus, and other muscles close the airway (trachea) to prevent food from entering the airways.
text: The third phase starts when food enters the esophagus.