Assertion: bronchitis's cough | /r/CapableOf | produce sputum
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The cough may produce sputum, which is phlegm coughed up from the lungs.
text: Much like in asthma—though for a different reason—the bronchial tubes get narrower and cause symptoms, mainly a persistent cough, often producing mucus or sputum.
text: But a persistent cough that produces sputum is indicative of bronchitis.
text: Bronchitis typically begins with a cough that eventually may produce sputum.