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

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

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