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

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

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