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

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

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