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

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

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