*SUPPORT*
IN: lug zup lug zup dax OUT: BLUE RED RED
IN: lug OUT: RED
IN: kiki blicket wif zup wif OUT: PINK PINK PURPLE
IN: lug blicket dax OUT: BLUE RED
IN: kiki zup kiki wif zup dax zup kiki OUT: PURPLE PURPLE BLUE PINK PURPLE
IN: lug wif dax zup dax blicket kiki OUT: RED PINK PURPLE BLUE BLUE
IN: kiki blicket kiki gazzer dax OUT: BLUE PURPLE PURPLE
IN: dax OUT: BLUE
IN: kiki blicket lug OUT: RED PURPLE
IN: dax blicket lug zup kiki blicket kiki OUT: PURPLE PURPLE RED BLUE
IN: kiki blicket kiki wif OUT: PURPLE PINK PURPLE
IN: wif OUT: PINK
IN: wif wif OUT: PINK PINK
IN: dax kiki zup wif OUT: BLUE PINK PURPLE

*QUERY*
IN: lug dax OUT: RED BLUE
IN: kiki OUT: PURPLE
IN: wif blicket wif blicket lug zup lug wif OUT: RED PINK RED PINK PINK
IN: lug zup wif lug OUT: PINK RED RED
IN: kiki wif OUT: PURPLE PINK
IN: wif dax blicket kiki OUT: PINK PURPLE BLUE
IN: dax blicket kiki wif blicket lug kiki OUT: PURPLE RED PURPLE PINK BLUE
IN: lug lug OUT: RED RED
IN: dax wif OUT: BLUE PINK
IN: dax gazzer kiki OUT: PURPLE BLUE

*GRAMMAR*
wif -> PINK 
 dax -> BLUE 
 lug -> RED 
 kiki -> PURPLE 
 u1 blicket x1 -> [x1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 zup x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 