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

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

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