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

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

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