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

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

*GRAMMAR*
gazzer -> YELLOW 
 tufa -> GREEN 
 kiki -> PURPLE 
 wif -> BLUE 
 u1 fep u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] [x2] [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 