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

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

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