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

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

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