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

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

*GRAMMAR*
zup -> YELLOW 
 kiki -> BLUE 
 dax -> RED 
 gazzer -> GREEN 
 u1 wif u2 -> [u2] [u2] [u2] [u1] 
 x1 tufa u1 -> [u1] [x1] 
 x1 fep x2 -> [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 