With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Attalids
became
allies
of
Rome
during
the
First
Macedonian
War
(
214–205
BC
)
and
supported
Rome
in
subsequent
wars
.
The:O
Attalids:O
became:O
allies:O
of:O
Rome:location-GPE
during:O
the:O
First:event-attack/battle/war/militaryconflict
Macedonian:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
(:O
214–205:O
BC:O
):O
and:O
supported:O
Rome:location-GPE
in:O
subsequent:O
wars:O
.:O