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

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

*GRAMMAR*
dax -> GREEN 
 wif -> PINK 
 zup -> BLUE 
 gazzer -> RED 
 x1 blicket -> [x1] [x1] 
 u1 lug u2 -> [u2] [u2] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 