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

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

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