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

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

*GRAMMAR*
dax -> YELLOW 
 gazzer -> BLUE 
 blicket -> PURPLE 
 zup -> GREEN 
 x1 fep u1 -> [u1] [x1] 
 u1 wif u2 -> [u1] [u2] [u1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 