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

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

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