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

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

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