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

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

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