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

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

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