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

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

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