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

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

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