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

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

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