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
two
brothers
,
however
,
easily
defeat
them
.
The:O
two:O
brothers:O
,:O
however:O
,:O
easily:O
defeat:O
them:O
.:O