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

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

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