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 ":".
The
most
important
reaction
based
on
methanol
is
the
decomposition
of
methanol
to
yield
carbon
monoxide
and
hydrogen
.
The:O
most:O
important:O
reaction:O
based:O
on:O
methanol:other-chemicalthing
is:O
the:O
decomposition:O
of:O
methanol:other-chemicalthing
to:O
yield:O
carbon:other-chemicalthing
monoxide:other-chemicalthing
and:O
hydrogen:other-chemicalthing
.:O