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

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

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