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

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

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