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

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

*GRAMMAR*
wif -> BLUE 
 dax -> RED 
 kiki -> GREEN 
 zup -> YELLOW 
 x1 fep -> [x1] [x1] [x1] 
 u1 gazzer u2 -> [u1] [u1] [u2] [u2] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 