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

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

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