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

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

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