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

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

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