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

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

*GRAMMAR*
dax -> PURPLE 
 tufa -> BLUE 
 gazzer -> RED 
 wif -> YELLOW 
 x1 fep x2 -> [x1] [x2] 
 u1 lug u2 -> [u1] [u2] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 