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

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

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