With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
turned
into
a
Donald
Ross
course
in
1914
when
he
redesigned
it
.
It:O
was:O
turned:O
into:O
a:O
Donald:person-other
Ross:person-other
course:O
in:O
1914:O
when:O
he:O
redesigned:O
it:O
.:O