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

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

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