*SUPPORT*
IN: dax gazzer gazzer wif OUT: RED BLUE BLUE RED BLUE BLUE
IN: gazzer kiki lug tufa dax tufa dax OUT: RED RED BLUE PURPLE BLUE RED RED
IN: lug fep OUT: PURPLE GREEN
IN: lug gazzer OUT: PURPLE BLUE
IN: fep tufa dax wif OUT: RED GREEN RED RED GREEN RED
IN: fep wif OUT: GREEN GREEN
IN: gazzer wif OUT: BLUE BLUE
IN: gazzer fep OUT: BLUE GREEN
IN: dax lug kiki gazzer tufa dax OUT: RED RED PURPLE BLUE RED PURPLE RED
IN: lug tufa dax wif OUT: RED PURPLE RED RED PURPLE RED
IN: dax tufa lug OUT: PURPLE RED PURPLE
IN: fep lug tufa dax tufa gazzer OUT: BLUE RED GREEN PURPLE RED BLUE
IN: fep dax OUT: GREEN RED
IN: gazzer OUT: BLUE

*QUERY*
IN: fep gazzer OUT: GREEN BLUE
IN: dax OUT: RED
IN: dax gazzer kiki fep OUT: RED BLUE GREEN RED BLUE
IN: fep OUT: GREEN
IN: lug lug lug OUT: PURPLE PURPLE PURPLE
IN: dax kiki gazzer wif OUT: RED BLUE RED RED BLUE RED
IN: lug wif OUT: PURPLE PURPLE
IN: gazzer tufa fep kiki dax OUT: GREEN BLUE GREEN RED GREEN BLUE GREEN
IN: dax fep kiki fep tufa gazzer OUT: BLUE RED GREEN GREEN RED GREEN BLUE
IN: gazzer gazzer OUT: BLUE BLUE

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