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

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

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