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

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

*GRAMMAR*
lug -> RED 
 tufa -> PURPLE 
 kiki -> YELLOW 
 fep -> BLUE 
 x1 gazzer u1 -> [u1] [x1] [u1] 
 u1 dax x1 -> [u1] [x1] [u1] 
 x1 wif x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 