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

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

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