Assertion: arbitrator | /r/CapableOf | advance up one level of class aball
Facets:
value: each year
type: TEMPORAL
Source sentences:
text: Generally, an umpire is regarded as making adequate progress "up the ranks" if he advances up one level of Class "A" ball each year (thus earning promotion to Class AA after three to four years) and promotion to Class AAA after two to three years on the Class AA level.