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

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

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