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 ":".
These
children
particularly
have
difficulty
with
the
syntactic
and
hierarchal
structures
of
language
.
These:O
children:O
particularly:O
have:O
difficulty:O
with:O
the:O
syntactic:O
and:O
hierarchal:O
structures:O
of:O
language:O
.:O