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 ":".
For
adjusting
the
viscosity
,
however
,
an
addition
of
chain
length
modifier
like
ethylene
glycol
or
diethylene
glycol
can
also
be
used
.
For:O
adjusting:O
the:O
viscosity:O
,:O
however:O
,:O
an:O
addition:O
of:O
chain:O
length:O
modifier:O
like:O
ethylene:other-chemicalthing
glycol:other-chemicalthing
or:O
diethylene:other-chemicalthing
glycol:other-chemicalthing
can:O
also:O
be:O
used:O
.:O