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

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

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