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

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

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