With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Phosphorus-based
isosorbide
compounds
,
such
as
isosorbide
bis
(
diphenyl
phosphate
)
[
ISTP
]
are
considered
as
a
replacement
.
Phosphorus-based:O
isosorbide:O
compounds:O
,:O
such:O
as:O
isosorbide:O
bis:O
(:O
diphenyl:O
phosphate:O
):O
[:O
ISTP:other-chemicalthing
]:O
are:O
considered:O
as:O
a:O
replacement:O
.:O