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

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

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