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

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

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