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

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

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