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

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

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