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

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

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