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

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

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