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

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

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