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

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

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