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 ":".
A
rush
to
produce
larger
screens
than
the
tiny
ones
found
on
1940s
models
occurred
during
1950–52
.
A:O
rush:O
to:O
produce:O
larger:O
screens:O
than:O
the:O
tiny:O
ones:O
found:O
on:O
1940s:O
models:O
occurred:O
during:O
1950–52:O
.:O