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

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

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