With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
was
an
American
football
and
baseball
coach
.
was:O
an:O
American:O
football:O
and:O
baseball:O
coach:O
.:O