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

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

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