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

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

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