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

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

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