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

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

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