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 ":".
Both
golf
and
squash
are
his
favorite
pastimes
.
Both:O
golf:O
and:O
squash:O
are:O
his:O
favorite:O
pastimes:O
.:O