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 ":".
Methylene
blue
can
interfere
with
the
respiration
of
the
yeast
as
it
picks
up
hydrogen
ions
made
during
the
process
.
Methylene:other-chemicalthing
blue:other-chemicalthing
can:O
interfere:O
with:O
the:O
respiration:O
of:O
the:O
yeast:O
as:O
it:O
picks:O
up:O
hydrogen:O
ions:O
made:O
during:O
the:O
process:O
.:O