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 ":".
The
airline
started
off
with
a
combination
of
scheduled
,
aerial
photography
and
general
aviation
services
using
seaplanes
.
The:O
airline:O
started:O
off:O
with:O
a:O
combination:O
of:O
scheduled:O
,:O
aerial:O
photography:O
and:O
general:O
aviation:O
services:O
using:O
seaplanes:O
.:O