With no explanation, label each line with "product-other", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
axe
is
a
``
boat-axe
``
of
Swedish-Norwegian
type
from
about
2800—2400
BC
.
The:O
axe:O
is:O
a:O
``:O
boat-axe:product-other
``:O
of:O
Swedish-Norwegian:location-other
type:O
from:O
about:O
2800—2400:O
BC:O
.:O