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

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

*GRAMMAR*
zup -> YELLOW 
 lug -> BLUE 
 blicket -> GREEN 
 tufa -> RED 
 x1 wif -> [x1] [x1] 
 x1 dax -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 