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

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

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