With no explanation, label each line with "O", "other-medical", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Nonsteroidal
anti-inflammatory
drugs
(
NSAIDs
)
such
as
ibuprofen
and
naproxen
are
effective
in
relieving
the
pain
of
primary
dysmenorrhea
.
Nonsteroidal:other-medical
anti-inflammatory:other-medical
drugs:other-medical
(:O
NSAIDs:other-medical
):O
such:O
as:O
ibuprofen:other-medical
and:O
naproxen:other-medical
are:O
effective:O
in:O
relieving:O
the:O
pain:O
of:O
primary:other-medical
dysmenorrhea:other-medical
.:O