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

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

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