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

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

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