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

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

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