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

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

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