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

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

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