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

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

*GRAMMAR*
tufa -> YELLOW 
 gazzer -> BLUE 
 zup -> RED 
 kiki -> GREEN 
 u1 wif u2 -> [u1] [u2] [u2] 
 x1 fep x2 -> [x2] [x1] 
 x1 lug -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 