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

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

*GRAMMAR*
wif -> YELLOW 
 kiki -> PINK 
 dax -> PURPLE 
 tufa -> RED 
 x1 fep x2 -> [x1] [x2] 
 u1 gazzer -> [u1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 