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 ":".
The
fixed
paintings
were
very
fashionable
and
appreciated
in
the
Romantic
era
.
The:O
fixed:O
paintings:O
were:O
very:O
fashionable:O
and:O
appreciated:O
in:O
the:O
Romantic:O
era:O
.:O