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

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

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