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

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

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