SRL for [model]: A key issue in disscussion of " life " and " universes " is what constitutes " structure " or " order " . For example , to take BGW 's -LRB- and Capra 's -RRB- fractal [model] of embedded " structures " we are still left with the regression problem of " who observes / defines such structure " .
ARG-0: BGW 's -LRB- and Capra 's -RRB- | ARG-M-MNR: fractal | ARG-1: of embedded " structures "