With no explanation, label each line with "O", "organization-company", "person-athlete", "organization-sportsteam", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
It
was
created
by
Portland
Mavericks
left-handed
pitcher
Rob
Nelson
and
bat
boy
Todd
Field
then
pitched
to
the
Wrigley
Company
(
longtime
owners
of
the
Chicago
Cubs
)
by
fellow
Maverick
and
former
New
York
Yankee
All-Star
Jim
Bouto
n
as
a
fun
imitation
of
the
tobacco-chewing
habit
common
among
ballplayers
in
the
1970s
.
It:O
was:O
created:O
by:O
Portland:organization-sportsteam
Mavericks:organization-sportsteam
left-handed:O
pitcher:O
Rob:person-athlete
Nelson:person-athlete
and:O
bat:O
boy:O
Todd:person-other
Field:person-other
then:O
pitched:O
to:O
the:O
Wrigley:organization-company
Company:O
(:O
longtime:O
owners:O
of:O
the:O
Chicago:organization-sportsteam
Cubs:organization-sportsteam
):O
by:O
fellow:O
Maverick:organization-sportsteam
and:O
former:O
New:organization-sportsteam
York:organization-sportsteam
Yankee:organization-sportsteam
All-Star:O
Jim:person-athlete
Bouto:person-athlete
n:O
as:O
a:O
fun:O
imitation:O
of:O
the:O
tobacco-chewing:O
habit:O
common:O
among:O
ballplayers:O
in:O
the:O
1970s:O
.:O