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

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

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