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

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

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