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

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

*GRAMMAR*
dax -> PINK 
 tufa -> BLUE 
 zup -> RED 
 kiki -> GREEN 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 wif -> [u1] [u1] [u1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 