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

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

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