*SUPPORT*
IN: wif wif OUT: RED RED
IN: dax fep kiki OUT: YELLOW YELLOW PURPLE
IN: wif fep kiki OUT: YELLOW YELLOW RED
IN: lug fep dax OUT: PURPLE PURPLE PINK
IN: dax zup wif OUT: PURPLE RED
IN: lug gazzer OUT: PINK PINK PINK PINK
IN: kiki fep lug OUT: PINK PINK YELLOW
IN: kiki wif wif gazzer OUT: YELLOW RED RED RED RED RED
IN: lug lug zup kiki zup lug OUT: PINK PINK YELLOW PINK
IN: kiki lug gazzer OUT: YELLOW PINK PINK PINK PINK
IN: dax kiki dax OUT: PURPLE YELLOW PURPLE
IN: kiki fep dax OUT: PURPLE PURPLE YELLOW
IN: dax wif dax gazzer zup kiki OUT: PURPLE RED PURPLE PURPLE PURPLE PURPLE YELLOW
IN: lug OUT: PINK

*QUERY*
IN: dax fep dax OUT: PURPLE PURPLE PURPLE
IN: dax gazzer zup dax OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax OUT: PURPLE
IN: wif fep dax OUT: PURPLE PURPLE RED
IN: kiki gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif dax wif zup wif zup wif OUT: RED PURPLE RED RED RED
IN: wif OUT: RED
IN: dax gazzer OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax lug zup dax OUT: PURPLE PINK PURPLE
IN: lug zup kiki OUT: PINK YELLOW

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