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

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

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