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

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

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