With no explanation, label each line with "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
design
of
the
inverters
was
used
for
the
large
class
of
Italian
locomotive
FS
Class
E.464
.
The:O
design:O
of:O
the:O
inverters:O
was:O
used:O
for:O
the:O
large:O
class:O
of:O
Italian:O
locomotive:O
FS:product-train
Class:product-train
E.464:product-train
.:O