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

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

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