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

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

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