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

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

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