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

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

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