With no explanation, label each line with "other-disease", "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Hypokalemia
is
often
asymptomatic
,
and
symptoms
may
not
appear
until
potassium
concentration
is
&
lt
;
2.5
mEq/L
.
Hypokalemia:other-disease
is:O
often:O
asymptomatic:O
,:O
and:O
symptoms:O
may:O
not:O
appear:O
until:O
potassium:other-chemicalthing
concentration:O
is:O
&:O
lt:O
;:O
2.5:O
mEq/L:O
.:O