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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> BLUE 
 dax -> PURPLE 
 wif -> YELLOW 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 x1 fep u1 -> [u1] [u1] [u1] [x1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 