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

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

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