*SUPPORT*
IN: lug tufa tufa OUT: PURPLE PURPLE PURPLE PURPLE
IN: fep OUT: YELLOW
IN: zup zup OUT: RED RED
IN: fep dax blicket OUT: BLUE YELLOW YELLOW
IN: fep tufa tufa wif lug OUT: PURPLE YELLOW YELLOW YELLOW YELLOW
IN: zup zup zup wif zup OUT: RED RED RED RED
IN: fep dax fep OUT: YELLOW YELLOW YELLOW
IN: lug dax lug OUT: PURPLE PURPLE PURPLE
IN: lug dax zup OUT: RED PURPLE PURPLE
IN: zup blicket OUT: RED BLUE
IN: fep fep tufa OUT: YELLOW YELLOW YELLOW YELLOW
IN: lug tufa OUT: PURPLE PURPLE
IN: blicket zup tufa OUT: BLUE RED BLUE RED
IN: zup dax blicket OUT: BLUE RED RED

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

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