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

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

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