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

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

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