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

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

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