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

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

*GRAMMAR*
wif -> PINK 
 fep -> PURPLE 
 dax -> RED 
 lug -> BLUE 
 x1 blicket x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 tufa u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 