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

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

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