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 ":".
Ultimately
,
the
union
reluctantly
agreed
to
an
age
limit
of
19
,
accepting
it
in
exchange
for
tweaks
to
salary
cap
rules
that
were
favorable
to
the
players
'
interests
.
Ultimately:O
,:O
the:O
union:O
reluctantly:O
agreed:O
to:O
an:O
age:O
limit:O
of:O
19:O
,:O
accepting:O
it:O
in:O
exchange:O
for:O
tweaks:O
to:O
salary:O
cap:O
rules:O
that:O
were:O
favorable:O
to:O
the:O
players:O
':O
interests:O
.:O