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

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

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