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

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

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