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

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

*GRAMMAR*
fep -> YELLOW 
 zup -> BLUE 
 wif -> PINK 
 kiki -> RED 
 u1 lug u2 -> [u1] [u2] [u1] 
 x1 dax x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 