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

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

*GRAMMAR*
dax -> BLUE 
 wif -> PINK 
 gazzer -> GREEN 
 fep -> YELLOW 
 x1 blicket x2 -> [x1] [x1] [x2] 
 u1 tufa u2 -> [u2] [u1] 
 x1 zup u1 -> [u1] [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 