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

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

*GRAMMAR*
tufa -> YELLOW 
 kiki -> BLUE 
 dax -> PURPLE 
 wif -> GREEN 
 u1 zup x1 -> [x1] [u1] 
 u1 fep u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 