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

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

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