With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Waimarino
block
proved
to
be
a
``
pot
of
gold
''
.
The:O
Waimarino:location-GPE
block:O
proved:O
to:O
be:O
a:O
``:O
pot:O
of:O
gold:O
'':O
.:O