With no explanation, label each line with "location-GPE", "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
Spanish
army
led
by
Hendrik
van
den
Bergh
came
to
relieve
Grol
,
but
it
came
too
late
.
The:O
Spanish:organization-other
army:organization-other
led:O
by:O
Hendrik:person-other
van:person-other
den:person-other
Bergh:person-other
came:O
to:O
relieve:O
Grol:location-GPE
,:O
but:O
it:O
came:O
too:O
late:O
.:O