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

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

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