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

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

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