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

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

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