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

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

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