With no explanation, label each line with "location-GPE", "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Both
trains
are
hauled
by
a
Guwahati
Loco
Shed
based
WDM-2
diesel
locomotive
from
Rangiya
to
Dibrugarh
and
vice
versa
.
Both:O
trains:O
are:O
hauled:O
by:O
a:O
Guwahati:product-train
Loco:product-train
Shed:product-train
based:O
WDM-2:product-train
diesel:O
locomotive:O
from:O
Rangiya:location-GPE
to:O
Dibrugarh:location-GPE
and:O
vice:O
versa:O
.:O