With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
September
1915
,
King
George
V
and
Queen
Mary
visited
.
In:O
September:O
1915:O
,:O
King:O
George:person-politician
V:person-politician
and:O
Queen:person-politician
Mary:person-politician
visited:O
.:O