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

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

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