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

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

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