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

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

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