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

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

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