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

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

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