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

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

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