With no explanation, label each line with "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Two
additional
7.92
mm
(
.312
in
)
MG
17s
were
mounted
in
the
fuselage
decking
above
the
engine
.
Two:O
additional:O
7.92:O
mm:O
(:O
.312:O
in:O
):O
MG:product-weapon
17s:product-weapon
were:O
mounted:O
in:O
the:O
fuselage:O
decking:O
above:O
the:O
engine:O
.:O