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

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

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