With no explanation, label each line with "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Boston
Whaler
is
an
American
boat
manufacturer
.
Boston:organization-company
Whaler:organization-company
is:O
an:O
American:location-GPE
boat:O
manufacturer:O
.:O