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

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

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