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

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

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