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

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

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