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

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

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