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

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

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