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

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

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