With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
left
school
to
work
on
a
market
stall
in
Leeds
Indoor
Market
,
taking
roles
in
amateur
dramatics
.
He:O
left:O
school:O
to:O
work:O
on:O
a:O
market:O
stall:O
in:O
Leeds:building-other
Indoor:building-other
Market:building-other
,:O
taking:O
roles:O
in:O
amateur:O
dramatics:O
.:O