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

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

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