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

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

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