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

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

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