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

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

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