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

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

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