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

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

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