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

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

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