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

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

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