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

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

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