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

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

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