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

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

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