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

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

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