Stir together sake, tamri and rice vinegar in small bowl. Place ofu in shallow dish, and pour marinade over. Marnate 20 minutes. drain tofu, reserve marinade. Saute in oil, drained tof until golden borwn, 5 minutes. Remove tofu, add garlic scallions, sti gry 5 seconds, add cabbage, 20 seconds, add salt and 3 tabs stock, saute 3 mintues. Add remaing stock, boil, recue heat, add carrots, simmer 15 mintues. Add mushromosm tofu and reserved marinade. Cover, simmer 15 mintues, server over noodles.