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

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

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