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

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

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