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

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

*GRAMMAR*
gazzer -> PURPLE 
 wif -> GREEN 
 zup -> BLUE 
 fep -> RED 
 x1 lug x2 -> [x2] [x1] [x1] 
 u1 blicket -> [u1] [u1] 
 x1 dax u1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 