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

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

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