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 ":".
Many
of
the
men
recruited
,
however
,
refused
to
leave
the
district
,
claiming
that
they
were
not
bound
by
the
terms
of
their
service
to
leave
that
area
.
Many:O
of:O
the:O
men:O
recruited:O
,:O
however:O
,:O
refused:O
to:O
leave:O
the:O
district:O
,:O
claiming:O
that:O
they:O
were:O
not:O
bound:O
by:O
the:O
terms:O
of:O
their:O
service:O
to:O
leave:O
that:O
area:O
.:O