*SUPPORT*
IN: wif fep wif OUT: PURPLE PURPLE
IN: wif dax OUT: PURPLE PINK
IN: dax wif OUT: PINK PURPLE
IN: tufa wif zup lug OUT: GREEN PURPLE YELLOW
IN: lug OUT: YELLOW
IN: dax fep lug zup lug dax OUT: YELLOW PINK YELLOW PINK
IN: wif fep lug OUT: YELLOW PURPLE
IN: tufa fep dax OUT: PINK GREEN
IN: wif lug OUT: PURPLE YELLOW
IN: wif OUT: PURPLE
IN: lug dax dax OUT: YELLOW PINK PINK
IN: dax OUT: PINK
IN: tufa dax fep lug OUT: GREEN YELLOW PINK
IN: dax blicket wif fep tufa OUT: GREEN PURPLE PINK GREEN PURPLE

*QUERY*
IN: dax fep dax blicket tufa wif OUT: GREEN PURPLE PINK PINK GREEN PURPLE
IN: tufa OUT: GREEN
IN: tufa zup wif OUT: GREEN PURPLE
IN: wif fep tufa OUT: GREEN PURPLE
IN: lug fep wif OUT: PURPLE YELLOW
IN: dax fep lug OUT: YELLOW PINK
IN: tufa tufa dax blicket lug fep dax OUT: PINK YELLOW GREEN GREEN PINK PINK YELLOW
IN: lug fep dax OUT: PINK YELLOW
IN: dax blicket tufa fep wif OUT: PURPLE GREEN PINK PURPLE GREEN
IN: tufa fep tufa OUT: GREEN GREEN

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