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

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

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