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

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

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