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

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

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