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

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

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