With no explanation, label each line with "product-other", "O", "organization-politicalparty", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
USS
``
H-6
``
(
SS-149
)
was
a
H-class
submarine
originally
built
for
the
Imperial
Russian
Navy
.
USS:organization-government/governmentagency
``:O
H-6:product-other
``:O
(:O
SS-149:O
):O
was:O
a:O
H-class:O
submarine:O
originally:O
built:O
for:O
the:O
Imperial:organization-politicalparty
Russian:organization-politicalparty
Navy:organization-politicalparty
.:O