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

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

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