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

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

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