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

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

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