With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
By
1993
,
market
growth
had
slowed
and
the
market
had
standardized
on
Mathematica
and
Maple
.
By:O
1993:O
,:O
market:O
growth:O
had:O
slowed:O
and:O
the:O
market:O
had:O
standardized:O
on:O
Mathematica:organization-company
and:O
Maple:organization-company
.:O