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

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

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