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

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

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