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 ":".
Chronic
users
of
paracetamol
may
have
a
higher
risk
of
developing
blood
cancer
.
Chronic:O
users:O
of:O
paracetamol:other-medical
may:O
have:O
a:O
higher:O
risk:O
of:O
developing:O
blood:other-disease
cancer:other-disease
.:O