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

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

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