With no explanation, label each line with "O", "product-train", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Developed
from
Maunsell
's
previous
SR
U
class
design
,
the
U1
class
shared
characteristics
with
Churchward
’
s
GWR
4300
Class
.
Developed:O
from:O
Maunsell:person-other
's:O
previous:O
SR:O
U:O
class:O
design:O
,:O
the:O
U1:product-train
class:product-train
shared:O
characteristics:O
with:O
Churchward:person-other
’:O
s:O
GWR:product-train
4300:product-train
Class:product-train
.:O