With no explanation, label each line with "O", "organization-sportsleague", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
pitching
staff
allowed
the
fewest
runs
in
the
NL
.
The:O
pitching:O
staff:O
allowed:O
the:O
fewest:O
runs:O
in:O
the:O
NL:organization-sportsleague
.:O