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

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

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