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

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

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