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

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

*GRAMMAR*
lug -> BLUE 
 blicket -> RED 
 dax -> PURPLE 
 tufa -> YELLOW 
 x1 wif x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 