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

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

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