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

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

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