*SUPPORT*
IN: lug OUT: YELLOW
IN: lug lug zup OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer OUT: PINK
IN: tufa OUT: GREEN
IN: gazzer fep lug OUT: YELLOW YELLOW PINK
IN: lug gazzer fep lug fep gazzer OUT: YELLOW PINK PINK YELLOW PINK PINK YELLOW PINK
IN: lug dax gazzer zup OUT: PINK YELLOW PINK YELLOW
IN: kiki dax lug OUT: YELLOW BLUE
IN: tufa fep tufa OUT: GREEN GREEN GREEN
IN: kiki dax kiki zup OUT: BLUE BLUE BLUE BLUE
IN: tufa dax tufa OUT: GREEN GREEN
IN: gazzer lug dax tufa zup OUT: PINK GREEN YELLOW PINK GREEN YELLOW
IN: gazzer fep kiki OUT: BLUE BLUE PINK
IN: kiki fep gazzer OUT: PINK PINK BLUE

*QUERY*
IN: gazzer zup OUT: PINK PINK
IN: lug dax tufa OUT: GREEN YELLOW
IN: kiki fep tufa OUT: GREEN GREEN BLUE
IN: lug fep kiki fep gazzer OUT: PINK PINK BLUE PINK PINK BLUE YELLOW
IN: tufa dax gazzer zup zup OUT: PINK GREEN PINK GREEN PINK GREEN PINK GREEN
IN: gazzer tufa fep kiki tufa dax gazzer OUT: PINK BLUE PINK GREEN BLUE PINK GREEN GREEN
IN: kiki dax tufa OUT: GREEN BLUE
IN: gazzer fep kiki dax tufa OUT: GREEN BLUE GREEN BLUE PINK
IN: gazzer tufa dax kiki zup OUT: PINK BLUE GREEN PINK BLUE GREEN
IN: lug dax kiki zup OUT: BLUE YELLOW BLUE YELLOW

*GRAMMAR*
gazzer -> PINK 
 tufa -> GREEN 
 kiki -> BLUE 
 lug -> YELLOW 
 u1 dax u2 -> [u2] [u1] 
 u1 fep x1 -> [x1] [x1] [u1] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 