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

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

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