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

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

*GRAMMAR*
kiki -> PINK 
 fep -> PURPLE 
 tufa -> GREEN 
 dax -> BLUE 
 x1 zup u1 -> [x1] [u1] 
 x1 wif x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 