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

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

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