(の中)で~が一番~です => out of this group, [A] is best N5
中 => While (Lasting) N3
Continuous
この / その / あの => this / that N5
Spatial relations
ものの => but, although N2
ものの => but, although N2
Things do not match the prediction
その...その => Every... N1
Happens next
...そのもの => Myself... N2
Demonstrate by example
そのものだ => exactly ~ N2
Consider it
~のは…ぐらいのものだ => only (emphasis) N1
Limit
途中で/途中に => on the way; in the middle of ~ N4
中 => During the period (Term) N3
Time
~のなんのと => For example... N1
Demonstrate by example