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 ":".
They
can
also
allow
pesticides
to
be
released
slowly
over
a
long
period
,
increasing
effectiveness
and
reducing
side-effects
such
as
pesticide
runoff
.
They:O
can:O
also:O
allow:O
pesticides:O
to:O
be:O
released:O
slowly:O
over:O
a:O
long:O
period:O
,:O
increasing:O
effectiveness:O
and:O
reducing:O
side-effects:O
such:O
as:O
pesticide:O
runoff:O
.:O