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

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

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