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

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

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