With no explanation, label each line with "product-other", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
short
time
thereafter
,
Pharmacia
offered
the
product
Sephadex
(
Separation
Pharmacia
Dextran
)
on
the
market
.
A:O
short:O
time:O
thereafter:O
,:O
Pharmacia:organization-company
offered:O
the:O
product:O
Sephadex:product-other
(:O
Separation:product-other
Pharmacia:product-other
Dextran:product-other
):O
on:O
the:O
market:O
.:O