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

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

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