With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Manufacturers
had
three
years
to
limit
the
amount
of
paracetamol
in
their
prescription
drug
products
to
325mg
per
dosage
unit
.
Manufacturers:O
had:O
three:O
years:O
to:O
limit:O
the:O
amount:O
of:O
paracetamol:other-chemicalthing
in:O
their:O
prescription:O
drug:O
products:O
to:O
325mg:O
per:O
dosage:O
unit:O
.:O