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

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

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