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

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

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