With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
gameplay
of
``
Xenogears
``
revolves
around
navigating
3D
environments
both
on-foot
and
using
humanoid
mecha
dubbed
``
Gears
``
.
The:O
gameplay:O
of:O
``:O
Xenogears:product-other
``:O
revolves:O
around:O
navigating:O
3D:O
environments:O
both:O
on-foot:O
and:O
using:O
humanoid:O
mecha:O
dubbed:O
``:O
Gears:product-other
``:O
.:O