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

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

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