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 ":".
As
the
handmade
Norwegian
power
plants
were
installed
they
soon
proved
to
be
of
superior
quality
to
the
machine
manufactured
originals
.
As:O
the:O
handmade:O
Norwegian:location-GPE
power:O
plants:O
were:O
installed:O
they:O
soon:O
proved:O
to:O
be:O
of:O
superior:O
quality:O
to:O
the:O
machine:O
manufactured:O
originals:O
.:O