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

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

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