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

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

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