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

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

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