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

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

*GRAMMAR*
zup -> YELLOW 
 dax -> RED 
 wif -> PURPLE 
 tufa -> GREEN 
 u1 blicket u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] [u1] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 