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

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

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