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

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

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