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
number
of
church
members
has
been
steadily
growing
for
several
years
.
The:O
number:O
of:O
church:O
members:O
has:O
been:O
steadily:O
growing:O
for:O
several:O
years:O
.:O