With no explanation, label each line with "organization-media/newspaper", "O", "art-other", "art-broadcastprogram", "art-film", "art-music", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
the
second
season
finished
,
flagging
ratings
put
``
Chuck
``
in
danger
of
cancellation
,
but
fans
mounted
a
successful
campaign
to
encourage
NBC
to
renew
the
show
.
As:O
the:O
second:O
season:O
finished:O
,:O
flagging:O
ratings:O
put:O
``:O
Chuck:art-other
``:O
in:O
danger:O
of:O
cancellation:O
,:O
but:O
fans:O
mounted:O
a:O
successful:O
campaign:O
to:O
encourage:O
NBC:organization-media/newspaper
to:O
renew:O
the:O
show:O
.:O