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

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

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