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

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

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