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

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

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