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

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

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