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

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

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