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

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

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