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

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

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