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

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

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