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

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

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