COMPARE PS_load PS_satisfaction < PB B P B Z Z N G NB G > PB G P G Z Z N B NB B = PB B P Z Z G N Z NB B # PB G P Z Z B N Z NB B COMPARE PS_benefit PS_satisfaction < PB B P B Z Z N G NB G > PB G P G Z Z N B NB B = PB B P Z Z G N Z NB B # PB G P Z Z B N Z NB B CONCAT PS_satisfaction PS_satisfaction PS_satisfaction AND G G G G Z Z G B B Z G Z Z Z Z Z B B B G B B Z B B B B OR G G G G Z G G B G Z G G Z Z Z Z B Z B G G B Z Z B B B CONCAT PS_benefit2 PS_satisfaction PS_satisfaction AND G G G G Z Z G B B Z G Z Z Z Z Z B B B G B B Z B B B B OR G G G G Z G G B G Z G G Z Z Z Z B Z B G G B Z Z B B B