With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
mechanism
behind
this
experience-dependent
demethylation
response
was
previously
not
fully
understood
,
with
some
evidence
showing
that
DNMTs
may
be
involved
in
demethylation
.
The:O
mechanism:O
behind:O
this:O
experience-dependent:O
demethylation:other-biologything
response:O
was:O
previously:O
not:O
fully:O
understood:O
,:O
with:O
some:O
evidence:O
showing:O
that:O
DNMTs:other-biologything
may:O
be:O
involved:O
in:O
demethylation:other-biologything
.:O