Task: Sentence Expansion
Input (English): In 1946 , Robinson arrived at Daytona Beach , Florida , for spring training with the Montreal Royals of the Class AAA International League .
Output (English): In 1946 , Robinson arrived at Daytona Beach , Florida , for spring training with the Montreal Royals of the Class AAA International League ( the designation of " AAA " for the highest level of minor league baseball was first used in the 1946 season ) .