With no explanation, label each line with "location-GPE", "O", "event-disaster", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Forming
from
a
tropical
depression
on
July
4
,
Dennis
began
impacting
Jamaica
three
days
later
.
Forming:O
from:O
a:O
tropical:O
depression:O
on:O
July:O
4:O
,:O
Dennis:event-disaster
began:O
impacting:O
Jamaica:location-GPE
three:O
days:O
later:O
.:O