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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> PINK 
 fep -> BLUE 
 lug -> RED 
 x1 kiki x2 -> [x2] [x1] [x2] [x1] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 wif u2 -> [u2] [u2] [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 