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

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

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