With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Also
when
children
with
congenital
(
infantile
)
strabismus
(
e.g
.
Also:O
when:O
children:O
with:O
congenital:O
(:O
infantile:O
):O
strabismus:O
(:O
e.g:O
.:O