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

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

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