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

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

*GRAMMAR*
lug -> PURPLE 
 dax -> RED 
 kiki -> BLUE 
 gazzer -> PINK 
 u1 wif x1 -> [u1] [x1] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 