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

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

*GRAMMAR*
kiki -> RED 
 dax -> BLUE 
 lug -> YELLOW 
 tufa -> PURPLE 
 u1 wif u2 -> [u1] [u1] [u2] [u2] [u1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 