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

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

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