With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
belongs
to
the
municipality
of
San
Marino
.
It:O
belongs:O
to:O
the:O
municipality:O
of:O
San:location-GPE
Marino:location-GPE
.:O