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

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

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