With no explanation, label each line with "other-disease", "O", "other-medical", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Tamoxifen
has
been
used
effectively
to
improve
blood
flow
,
reduce
uterine
contractility
and
pain
in
dysmenorrhea
patients
.
Tamoxifen:other-medical
has:O
been:O
used:O
effectively:O
to:O
improve:O
blood:O
flow:O
,:O
reduce:O
uterine:O
contractility:O
and:O
pain:O
in:O
dysmenorrhea:other-disease
patients:O
.:O