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

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

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