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

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

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