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

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

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