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

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

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