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

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

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