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

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

*GRAMMAR*
gazzer -> BLUE 
 zup -> RED 
 dax -> PINK 
 kiki -> GREEN 
 u1 tufa x1 -> [u1] [u1] [x1] 
 u1 fep u2 -> [u2] [u1] [u2] [u1] 
 x1 wif u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 