With no explanation, label each line with "O", "building-airport", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-hospital" or "building-hotel" preceded by ":".
SAN
has
approximately
600
departures
and
arrivals
,
carrying
50,000
passengers
,
each
day
.
SAN:building-airport
has:O
approximately:O
600:O
departures:O
and:O
arrivals:O
,:O
carrying:O
50,000:O
passengers:O
,:O
each:O
day:O
.:O