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

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

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