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

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

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