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

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

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