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

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

*GRAMMAR*
kiki -> PURPLE 
 lug -> RED 
 dax -> BLUE 
 wif -> YELLOW 
 x1 tufa -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 x1 zup x2 -> [x2] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 