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

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

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