*SUPPORT*
IN: tufa dax gazzer OUT: GREEN RED RED RED RED
IN: kiki gazzer OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax tufa kiki OUT: RED GREEN PURPLE
IN: zup gazzer OUT: BLUE BLUE BLUE BLUE
IN: tufa blicket tufa OUT: GREEN GREEN
IN: kiki blicket kiki OUT: PURPLE PURPLE
IN: dax gazzer OUT: RED RED RED RED
IN: zup wif OUT: BLUE BLUE BLUE BLUE BLUE
IN: tufa tufa blicket tufa OUT: GREEN GREEN GREEN
IN: kiki OUT: PURPLE
IN: dax zup blicket tufa OUT: RED BLUE GREEN
IN: dax zup gazzer OUT: RED BLUE BLUE BLUE BLUE
IN: kiki wif OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: dax blicket kiki OUT: RED PURPLE

*QUERY*
IN: dax OUT: RED
IN: dax dax dax blicket kiki OUT: RED RED RED PURPLE
IN: tufa wif OUT: GREEN GREEN GREEN GREEN GREEN
IN: zup OUT: BLUE
IN: zup blicket kiki OUT: BLUE PURPLE
IN: dax blicket zup OUT: RED BLUE
IN: tufa blicket kiki OUT: GREEN PURPLE
IN: zup zup OUT: BLUE BLUE
IN: tufa gazzer OUT: GREEN GREEN GREEN GREEN
IN: tufa OUT: GREEN

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