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

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

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