Datapoint Nengee/Antidual of paired body-part terms

I have the feeling that Example 43 is the traditional option and that Example 42 is a newer construction but I have no evidence for this.

Values

No antidual Frequency: 50.0%

Example 4-42:
Na mi futu mi na e fii.
Na
cop
mi
my
futu
leg/foot
mi
I
na
neg
e
ipfv
fii.
feel
It's my foot that I'm not feeling.

Source: nd

Confidence:
Certain

Antidual Frequency: 50.0%

Example 4-43:
Wan se fufu langa moo a taa wan.
Wan
one
se
side
fufu
foot
langa
long
moo
more
a
det.sg
taa
other
wan.
one
One foot is longer than the other one.
Confidence:
Certain