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

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

*GRAMMAR*
zup -> RED 
 tufa -> GREEN 
 kiki -> BLUE 
 blicket -> YELLOW 
 u1 wif u2 -> [u1] [u2] 
 u1 dax -> [u1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 