With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
He
officiated
6
international
matches
in
1958–1964
.
He:O
officiated:O
6:O
international:O
matches:O
in:O
1958–1964:O
.:O