*SUPPORT*
IN: wif lug wif gazzer OUT: RED RED RED
IN: dax tufa kiki dax OUT: BLUE BLUE PURPLE
IN: tufa OUT: PURPLE
IN: blicket OUT: GREEN
IN: blicket lug wif OUT: GREEN RED
IN: wif kiki wif OUT: RED RED
IN: dax kiki dax OUT: BLUE BLUE
IN: tufa kiki wif OUT: RED PURPLE
IN: tufa gazzer OUT: PURPLE PURPLE
IN: blicket gazzer OUT: GREEN GREEN
IN: tufa lug dax OUT: PURPLE BLUE
IN: dax wif kiki tufa OUT: BLUE PURPLE RED
IN: tufa dax OUT: PURPLE BLUE
IN: dax blicket tufa lug dax dax OUT: BLUE GREEN PURPLE BLUE BLUE

*QUERY*
IN: blicket dax gazzer OUT: GREEN BLUE BLUE
IN: tufa kiki tufa OUT: PURPLE PURPLE
IN: dax wif lug wif wif tufa gazzer OUT: BLUE RED RED RED PURPLE PURPLE
IN: dax OUT: BLUE
IN: tufa kiki dax OUT: BLUE PURPLE
IN: dax kiki tufa OUT: PURPLE BLUE
IN: blicket lug tufa tufa OUT: GREEN PURPLE PURPLE
IN: wif OUT: RED
IN: tufa lug blicket gazzer OUT: PURPLE GREEN GREEN
IN: wif dax kiki blicket OUT: RED GREEN BLUE

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