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

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

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