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

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

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