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

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

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