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

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

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