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

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

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