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

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

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