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

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

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