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

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

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