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

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

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