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

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

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