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

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

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