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

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

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