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

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

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