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

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

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