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

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

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