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

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

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