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

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

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