With no explanation, label each line with "location-GPE", "O", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Together
they
produced
Canada
's
first
text
on
mining
law
,
The
Laws
of
Mines
in
Canada
.
Together:O
they:O
produced:O
Canada:location-GPE
's:O
first:O
text:O
on:O
mining:O
law:O
,:O
The:other-law
Laws:other-law
of:other-law
Mines:other-law
in:other-law
Canada:other-law
.:O