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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> BLUE 
 gazzer -> PINK 
 dax -> YELLOW 
 x1 zup -> [x1] [x1] [x1] [x1] 
 x1 fep u1 -> [u1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 