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

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

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