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

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

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