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 ":".
In
1656
the
plague
killed
about
half
of
Naples
'
300,000
inhabitants
.
In:O
1656:O
the:O
plague:O
killed:O
about:O
half:O
of:O
Naples:location-GPE
':O
300,000:O
inhabitants:O
.:O