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 ":".
This
additive
based
on
liquified
molybdenum
disulfide
(
MoS2
)
was
the
company
's
first
product
and
gave
the
company
its
name
.
This:O
additive:O
based:O
on:O
liquified:other-chemicalthing
molybdenum:other-chemicalthing
disulfide:other-chemicalthing
(:O
MoS2:other-chemicalthing
):O
was:O
the:O
company:O
's:O
first:O
product:O
and:O
gave:O
the:O
company:O
its:O
name:O
.:O