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

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

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