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

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

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