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

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

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