A.0B.2C.1D.3
A.((INDF)+(w)→(w))B.((FSR))+(W)→(FSR)C.((FSR))+(w)→(w)D.(FSR)+(W)→→(FSR)
A.BTFSCFSR,3B.BCF FSR,3C.BSF FSR,3D.BTFSS FSR,3