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

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

*GRAMMAR*
fep -> PURPLE 
 gazzer -> PINK 
 zup -> GREEN 
 lug -> RED 
 x1 dax x2 -> [x2] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 