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

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

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