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

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

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