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

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

*GRAMMAR*
gazzer -> PINK 
 fep -> YELLOW 
 dax -> RED 
 tufa -> PURPLE 
 x1 lug x2 -> [x1] [x2] 
 u1 kiki -> [u1] [u1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 