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

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

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