With no explanation, label each line with "O", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
cost-exchange
ratio
was
so
heavily
biased
towards
the
attacker
that
the
concept
of
mutual
assured
destruction
became
the
leading
concept
in
strategic
planning
and
ABM
systems
were
severely
limited
in
the
1972
Anti-Ballistic
Missile
Treaty
in
order
to
avoid
a
massive
arms
race
.
This:O
cost-exchange:O
ratio:O
was:O
so:O
heavily:O
biased:O
towards:O
the:O
attacker:O
that:O
the:O
concept:O
of:O
mutual:O
assured:O
destruction:O
became:O
the:O
leading:O
concept:O
in:O
strategic:O
planning:O
and:O
ABM:O
systems:O
were:O
severely:O
limited:O
in:O
the:O
1972:O
Anti-Ballistic:other-law
Missile:other-law
Treaty:other-law
in:O
order:O
to:O
avoid:O
a:O
massive:O
arms:O
race:O
.:O