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

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

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