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

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

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