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

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

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