With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Dialog
Control
Language
(
DCL
)
is
a
high-level
description
language
and
interpreter
within
AutoCAD
for
creating
simple
graphical
dialogs
.
Dialog:product-software
Control:product-software
Language:product-software
(:O
DCL:product-software
):O
is:O
a:O
high-level:O
description:O
language:O
and:O
interpreter:O
within:O
AutoCAD:product-software
for:O
creating:O
simple:O
graphical:O
dialogs:O
.:O