With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Homer
and
his
group
went
to
Sto
.
Homer:person-other
and:O
his:O
group:O
went:O
to:O
Sto:O
.:O