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

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

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