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

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

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