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

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

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