With no explanation, label each line with "O", "building-airport", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-hospital" preceded by ":".
On
24
March
2008
,
it
was
announced
that
during
the
summer
months
Ryanair
flights
would
also
operate
to
and
from
London
Stansted
with
a
possibility
of
being
extended
should
they
prove
successful
.
On:O
24:O
March:O
2008:O
,:O
it:O
was:O
announced:O
that:O
during:O
the:O
summer:O
months:O
Ryanair:organization-company
flights:organization-company
would:O
also:O
operate:O
to:O
and:O
from:O
London:building-airport
Stansted:building-airport
with:O
a:O
possibility:O
of:O
being:O
extended:O
should:O
they:O
prove:O
successful:O
.:O