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

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

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