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

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

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