With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Often
there
will
be
an
easily
detectable
peach
and
mineral
complex
.
Often:O
there:O
will:O
be:O
an:O
easily:O
detectable:O
peach:O
and:O
mineral:O
complex:O
.:O