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 ":".
The
letter
to
the
Russian
Ministry
of
Foreign
Affairs
stated
:
The:O
letter:O
to:O
the:O
Russian:location-GPE
Ministry:O
of:O
Foreign:O
Affairs:O
stated:O
::O