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

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

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