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
named
for
Harry
A.
Hampton
,
the
railroad
division
engineer
from
1922
to
1943
.
It:O
was:O
named:O
for:O
Harry:person-other
A.:person-other
Hampton:person-other
,:O
the:O
railroad:O
division:O
engineer:O
from:O
1922:O
to:O
1943:O
.:O