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

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

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