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

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

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