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

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

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