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

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

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