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

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

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