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

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

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