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

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

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