Need help!

[AmericanY]

ERROR: Unable to tag this string because more than one area of the string has the same label

ORIGINAL STRING:  ENTRANCE ON RIGHT #4 ON 2ND FL 2962 BURLINGTON PLACE 2ND FL F CINCINNATI OH 45225
PARSED TOKENS:    [('ENTRANCE', 'Recipient'), ('ON', 'Recipient'), ('RIGHT', 'Recipient'), ('#', 'Recipient'), 
('4', 'Recipient'), ('ON', 'Recipient'), ('2ND', 'SubaddressIdentifier'), ('FL', 'SubaddressType'), ('2962', 'AddressNumber'), ('BURLINGTON', 'StreetName'), ('PLACE', 'StreetNamePostType'), ('2ND', 'OccupancyIdentifier'), 
('FL', 'OccupancyType'), ('F', 'OccupancyIdentifier'), ('CINCINNATI', 'PlaceName'), ('OH', 'StateName'), ('45225', 'ZipCode')]
UNCERTAIN LABEL:  address2

How to avoid such case ?