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

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

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