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

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

*GRAMMAR*
wif -> PURPLE 
 kiki -> RED 
 lug -> PINK 
 zup -> YELLOW 
 x1 dax x2 -> [x2] [x1] 
 x1 gazzer -> [x1] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 