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

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

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