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

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

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