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

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

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