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

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

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