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

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

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