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

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

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