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

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

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