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

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

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