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

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

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