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

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

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