With no explanation, label each line with "O", "organization-other", "location-GPE", "product-ship", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
examinations
taken
by
Choules
following
his
training
on
the
``
Mercury
``
qualified
him
to
attend
the
advanced
class
on
the
naval
training
ship
HMS
``
Impregnable
''
situated
at
the
Devonport
naval
base
in
Plymouth
.
The:O
examinations:O
taken:O
by:O
Choules:person-other
following:O
his:O
training:O
on:O
the:O
``:O
Mercury:product-ship
``:O
qualified:O
him:O
to:O
attend:O
the:O
advanced:O
class:O
on:O
the:O
naval:O
training:O
ship:O
HMS:product-ship
``:product-ship
Impregnable:product-ship
'':product-ship
situated:O
at:O
the:O
Devonport:organization-other
naval:organization-other
base:organization-other
in:O
Plymouth:location-GPE
.:O