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

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

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